Problem 1
Suppose that 6 female and 5 female applicants have been successfully screened for 5 positions. If the 5 positions are filled at random form the 11 finalists, what is the probability of selecting:

A: 3 females and 2 males?

B: 4 females and 1 male?

C: 5 females?

D: At least 4 females?

Problem 2
By examining the past driving records of drivers in a certain city, an insurance company has determined the following (empirical) probabilities:

[pic]

If a driver in this city is selected at random, what is the probability that:

A: He or she drives less than 10,000 miles per year or has an accident? (Type a decimal)

B: He or she drives 10,000 or more miles per year and has no accidents? (type a decimal)

Problem 3
In a study to determine frequency and dependency of color-blindness relative to females and males, 1000 people were chosen at random and the following results were recorded:

[pic]

A: Convert the table to a probability table by dividing each entry by 1,000. [pic]

B: What is the probability that a person is a woman, given that the person is color-blind? (Round to the nearest thousandth if needed)

C: What is the probability that a person is color-blind, given that the person is male?

D: Are the events color-blindness and male independent?

E: Are the events color-blindness and female dependent?

Problem 4
After careful testing and analysis, an oil company is considering drilling in two different sites. It is estimated that site A will net $40 million if successful (probability .4) and lose $2 million if not (probability .6); site B will net $60 million if successful (probability .3) and lose $8 million if not (probability .7). Which site should the company choose according to the expected return from each site?

A: What is the expected return for site A? ___ million

B: What is the expected return for site B? ___ million

C: Which site should the company choose? (Site A or Site B)

...BUSN 603 MULTIPLE CHOICE QUESTIONS SET PART 2-8
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Final Exam
BUSN 603 Multiple Choice Questions Set Part 2-8
Jane wants to set up a photo shop. The cost to rent is $150 per week. The variable cost of making one photo is $20 and she can sell it for $50.
1. Jane has to sell ______ photos per week to break even
2. If Jane sells 10 units ,her profits would be ______ dollars
Paul wants to choose one of the two investments opportunities over three possible scenarios. Investment 1 will yield a return of $10000 in scenario1, $2000 in scenario 2 and a negative return of $5000 in scenario 3. Investment 2 will yield a return of $6000 in scenario 1,$4000 in scenario 2 and zero in scenario 3. The probability 1 is 0.2,for scenario 2 is 0.3 and for scenario 3 is 0.5
1/If you were to choose the investment that maximizes Paul's Expected Money Value(EMV),then you should choose______
1. Investment 1
b.Investment 2
c.Indifferent
2/If Paul is uncertain about the return for investment 1,then this return has to be ____dollars in order to make Paul indifferent between these two investments(i.e two investments would have the same EMV).
Sam has a cleaning service. To better allocate his resources, he would like to forecast his weekly order based on the order number he received in the past 13...

...Possible TestQuestions - Lymphatic System
1. What are the Lymphoid Organs?:
Thymus
Spleen
Thoracic Duct
Lymph Nodes
Lymphatic Vessels
Plays central role in the body’s defenses
2. What are the Functions?
Maintains chemical composition of the interstitial fluids
Maintains normal blood volume
Produces, maintain, and distributes lymphocytes
3. What causes Edema?
Heart failure
Blockage of Lymphatic vessels
4. If you have a patient with a condition of Edema at the upper right quarter of the body, what is the potential cause of the problem?
Blockage of the Right lymphatic Duct
5. What are “wandering cells”?:
They can move from one area of the body to another by entering and exiting the blood stream freely
6. how many types of lymphocytes do we have? What are the type of lymphocytes?
T cells (80%)
B cells
NK Cells
7. Which cells accounts for 80% of total lymphocyte count?
T Cells
8. How does HIV weaken the immune system?
HIV attacks the T cells directly
9. What do B cells provide?
Humoral Immunity
Located in Blood Plasma - Antibody-mediated Immunity - Blood is the main transport
10. What are the functions of NK Cells (Immunological Surveillance Cells)?
Attack foreign cells
Attack normal cells that are infected with viruses
Attack cancer cells
11. Humoral immunity is produced by which cells?
B Cells
12. What is the sequence of the events in the body’s defenses?
Macrophages are activated by the antigen
Macrophages will phagocytize the foreign...

... What is the probability of drawing each of the following from a standard deck of cards, assuming that the first card is not replaced?
a) an ace followed by a 2 b) two aces
c) a black jack followed by a 3 d) a face card followed by a black 7
3. Repeat each part of question 2, assuming that the first card drawn is replaced and the deck shuffled prior to selecting the second card.
4. What are the odds in favour of rolling a 7, or an 11, or doubles twice in a row with a pair of standard dice?
5. Paulo’s marker is seven squares away from “home”. He must land exactly on home to win the game. If he rolls a standard die and moves his marker the number of squares indicated, what is the probability that Paulo will win the game
a) on his next turn? b) on his next two turns?
6. Eight burglary suspects are placed in a line-up, two of whom are guilty. Suppose that a witness is asked to identify the two guilty suspects, but is actually unable to make a positive identification with any degree of confidence. If the witness feels compelled to identify two suspects, what is the likelihood that the witness will randomly pick
a) the two guilty suspects? b) two innocent suspects?
7. A quality control inspector will accept a large batch of converter modules if 8 consecutive units pass inspection.
a) If, in a given batch,1 out of 20 converters will fail inspection, how likely is it that the inspector will accept the batch?
b) By...

...small chance 1/500 for any pen to be defective. The pens are supplied in packs of 10. Use this probability to calculate the approximate number of packets containing no defective, one defective and two defective pens, respectively in a consignment of 20,000 packets [ e^(--0.02) =0.9802 ]
Ans. : 19604, 392, 3.92=4 respectively
2. A manufacturer who produces medicine bottles finds that 0.1% of the bottles are defective. The bottles are packed in the boxes of 500 bottles. A drug manufacturer buys 100 boxes from the producer of bottles . Using suitable probability distribution , find how many boxes will contain (i) No defectives, (ii) At least two defectives ?
Answer (i) 0.6065 X 100= app 61 bottles, , (ii) 10 bottles app.
3. Mean and standard deviation of chest measurement of 1200 soldiers are 85 and 5 cm respectively. How many of them are expected to have their chest measurement exceeding 95 cm assuming a normal distribution. ( Prob.=0.9772, Answer =1173)
4. In a certain Poisson frequency distribution the frequency corresponding to 2 successes is half the frequency corresponding to 3 successes. Find its mean and standard deviation.( Mean=6, Sd= Sq. root of 6)
5. A soft-drink vending machine is set so that the amount of drink dispensed is a random variable with a mean of 200 ml. And a standard deviation of 15 ml. Find the probability that the average amount dispensed in a random...

...1. A quality control engineer knows that 10% of the microprocessor chips produced by a machine are defective. Out of a large shipment, five chips are chosen at random. What is the probability that none of them is defective? What is the probability that at least one is defective?
2. An automated manufacturing process produces a component with an average width of 7.55 centimeters, with a standard deviation of 0.02 centimeter. All components deviating by more than 0.05 centimeter from the mean must be rejected. What percentage of parts must be rejected? Assume a normal distribution.
3. Assume that the number of cases sold per week in December by a large group of beverage salesmen is quite close to normal distribution with a mean of 684 and a standard deviation of 60.
a. Given that the top 16% of the salesmen receive bonuses, how many cases must a salesman sell in order to receive bonus?
b. If the break-even number of cases is 600 per salesman, what proportions of the salesman are above the break-even value?
4. Neutral Executive Company is conducting an exercise to find out the age of its accounts receivables (i.e. classifying its debtors into how long each debtor is overdue). The data collected indicate that the age of the accounts follows a normal distribution, with = 28 days and = 8 days.
a. What proportion of the accounts is between 20 and 40 days old?
b. The company administrator is interested in sending reminder letters to the...

...GUIDING QUESTIONS for the Test on Wednesday
Review these questions and their answers in preparation for the test on Wednesday. You do not have to write down your responses, but you are to remember them. So, if you can’t remember, take notes.
Chapter 1
1 Catcher in the Rye, is a novel that has a frame structure, which is a story within a story.
2 What is the setting at the very beginning of the book?
3 Who’s speaking and why is he speaking to us? What does he want us to know?
4 Why do you think Salinger picked this point of view to narrate the novel?
5 After reading the chapter, why do you think Salinger employed or used the story-within-a story or frame structure for his novel? How do you think this technique serves the story or makes it effective?
Chapter 2
1 Who or what do you think Old Spencer symbolizes?
2 How does Holden feel about Old Spencer?
3 What does this reveal about Holden’s character?
4 What do you learn about Holden in the chapter? What kind of observations of his character can you make at this point?
Chapter 3
1. Who is Ossenburger?
2. What was the substance of Ossenburger’s speech?
3. Who are Holden’s favorite authors?
4. How does Holden determine whether a book is outstanding?
5. What does Ackley usually do when he comes to visit Holden?
6. What is it about Ackley that Holden finds annoying?
7. Give an example of something which Ackley considered very funny.
8....

...Test 3
Chapter 51: 1, 2, 5, 7
1. Most of the metabolic energy needed by a bird for a long-distance migratory flight is stored as
a. glycogen.
b. fat.
c. protein.
d. carbohydrates.
e. ATP.
2. Which statement about essential amino acids is true?
a. They are not found in vegetarian diets.
b. They are stored by the body until they are needed.
c. Without them, one is undernourished.
d. All animals require the same ones.
e. Humans can acquire all of theirs by eating milk, eggs, and meat.
3. Which statement about nutrient absorption by the intestinal mucosal cells is true?
a. Carbohydrates are absorbed as disaccharides.
b. Fats are absorbed as fatty acids and monoglycerides.
c. Amino acids move across the plasma membrane only by diffusion.
d. Bile transports fats across the plasma membrane.
e. Most nutrients are absorbed in the duodenum.
4. Microbial fermentation in the gut of a cow
a. produces fatty acids as a major nutrient for the cow.
b. occurs in specialized regions of the small intestine.
c. occurs in the cecum, from which food is regurgitated.
d. produces methane as a major nutrient.
e. is possible because the stomach wall does not secrete hydrochloric acid.
Chapter 41: 2, 4, 5, 7, 9, 10
1. Both epinephrine and cortisol are secreted in response to stress. Which of the following statements is also true for both of these hormones?
a. They act to increase blood glucose availability.
b. Their receptors are on the surfaces of...

...• Question 1
5 out of 5 points
The nutrients fall into ______ classes
Answer
Selected Answer: 3.
6
Correct Answer: 3.
6
• Question 2
5 out of 5 points
The most energy-rich of the nutrients is:
Answer
Selected Answer: 2.
fat
Correct Answer: 2.
fat
• Question 3
5 out of 5 points
All of the following nutrients are organic EXCEPT:
Answer
Selected Answer: 1.
minerals
Correct Answer: 1.
minerals
• Question 4
0 out of 5 points
Effects of physical activity on the body include all of the following EXCEPT:
Answer
Selected Answer: 5.
all of the following are effects of physical activity
Correct Answer: 1.
decreased bone density
• Question 5
5 out of 5 points
Carbohydrate and protein each contain __ calories in a gram.
Answer
Selected Answer: 2.
4
Correct Answer: 2.
4
• Question 6
5 out of 5 points
The abundance of types of foods today has made it:
Answer
Selected Answer: 1.
more difficult to plan a nutritious diet
Correct Answer: 1.
more difficult to plan a nutritious diet
• Question 7
5 out of 5 points
Your family always has rice available at every meal, just as it has been for every generation. This is an example of ____ of food selection.
Answer
Selected Answer: 1....