Math 116 - Chapter 6 review Name___________________________________ Provide an appropriate response. 1) Two random variables are normally distributed with the same mean. One has a standard deviation of 10 while the other has a standard deviation of 15. How will the graphs of the two variables differ and how will they be alike? 2) Which is larger‚ the area under the standard normal curve between -1 and 1‚ or the area under the standard normal curve between 0 and 2? Explain your reasoning
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| | |College of Natural Sciences | | |MAT/116 Version 8 | | |Algebra 1A | Copyright © 2012‚ 2010‚
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Math 221 Quiz Review for Weeks 5 and 6 1. Find the area under the standard normal curve between z = 1.6 and z = 2.6. First we look for the area of both by doing “2nd ‚Vars‚ NORMALCDF” and inputting “-1000‚ “Z‚” 0‚ 1 then find the difference between both. 2. A business wants to estimate the true mean annual income of its customers. It randomly samples 220 of its customers. The mean annual income was $61‚400 with a standard deviation of $2‚200. Find a 95% confidence interval for the true mean
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Module 8 Business Decisions Capital Gains Page 705‚ question 30 30A- How much tax will you have saved by waiting? $1‚250 $25‚000 X .10 = $2‚500 $25‚000 X .15 = $3‚750 $3‚750 - $2‚500 = $1‚250 30B- How much would you save in 36% bracket? Between $2‚000 to $4‚400 $25‚000 X .20 = $5‚000 $25‚000 X .28 = $7‚000 to $9‚900 $7‚000 - $5‚000 = $2‚000 $9‚900 - $5‚000 = $4‚400 Interpreting the numbers Page 743‚ Question 20 2‚300 2‚430‚ 2‚018‚ 2‚540‚ 2‚675‚ 4‚800
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SAT Math Hard Practice Quiz 5. How many integers between 10 and 500 begin and end in 3? Numbers and Operations 1. A bag contains tomatoes that are either green or red. The ratio of green tomatoes to red tomatoes in the bag is 4 to 3. When five green tomatoes and five red tomatoes are removed‚ the ratio becomes 3 to 2. How many red tomatoes were originally in the bag? (A) (B) (C) (D) (E) 6. A particular integer N is divisible by two different prime numbers p and q. Which of the following
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MATH 107 NAME:_______________________ EXAM 2 Show all work for credit and keep answers exact when possible. 1. Classify the following statement as an example of classical‚ empirical‚ or subjective probability and explain your reasoning. According to your doctor he feels the chance of you surviving a surgery is 0.85. Subjective; based upon his feelings. 2. Determine the two events described in the study. Do the results indicate that the events are independent or dependant?
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1- Multiple Choice Question 214 A company has the following assets: Buildings and Equipment‚ less accumulated depreciation of $2‚000‚000 $ 7‚600‚000 Copyrights 960‚000 Patents 4‚000‚000 Timberlands‚ less accumulated depletion of $2‚800‚000 4‚800‚000 The total amount reported under Property‚ Plant‚ and Equipment would be $16‚400‚000. $13‚360‚000. $12‚400‚000. $17‚360‚000. 2- Multiple Choice Question 144 Expenditures that maintain the operating efficiency and expected productive life
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specific filename. Answer Selected Answer: False Correct Answer: False • Question 6 5 out of 5 points While in mailx you can invoke the vi editor. Answer Selected Answer: True Correct Answer: True • Question 7 5 out of 5 points The HOME standard variable is set to the root directory pathname. Answer Selected Answer: False Correct Answer: False • Question 8 5 out of 5 points The paste command is used to Answer Selected
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Chapter Quiz Determine whether each statement is true or false. If the statement is false‚ explain why. 1. Probability is used as a basis for inferential statistics. 2. The height of President Lincoln is an example of a variable. 3. The highest level of measurement is the interval level. 4. When the population of college professors is divided into groups according to their rank (instructor‚ assistant professor‚ etc.) and then several are selected from each group to make up a sample‚
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Unit 4 – Trigonomitry Quiz True or False Questions‚ circle your answer. 1. cos(α)=opposite/adjacent true false 2. sin(54)=3.4/2.7 true false for: 3. sin(α)/a=sin(β)/b is the same as a/sin(β)=b/sin(α) true false 4. SohCahToa is not the same as primary trigonomic ratios true false 5. The cosine law is: cos(γ)=(a²+b²-c²)/(2ab) true false Multiple Choice‚ mark your answer(s). 1. sin(20°)=45.9/c a.) c=88.79 b.) c=134.21
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