Statistics Quiz: Statistics
Statistics
Quiz 2
Prof. Fierimonte
Name Shana Hicks .5
MULTIPLE CHOICE
Find the indicated probability.
| 1) The table below describes the smoking habits of a group of asthma sufferers. 1) | | Light | Heavy | | Non-smoker | Smoker | Smoker | Total | Men | 431 | 44 | 41 | 516 | Women | 378 | 37 | 48 | 463 | Total | 809 | 81 | 89 | 979 |
If two different people are randomly selected from the 979 subjects, find the probability that they are both heavy smokers.
A) 0.0001262 | B) 0.001754 | C) 0.008264 | D) 0.008180 |
| 2) A IRS auditor randomly selects 3 tax returns from 50 returns of which 15 contain errors. 2) What is the probability …show more content…
If the identification were made by random guesses, find 3) the probability that all 6 witnesses would pick the same person.
A) 1.2 | B) 0.0001286 | C) 0.000064 | D) 0.00032 |
4) In one town, 37% of all voters are Democrats. If two voters are randomly selected for a survey, find the probability that they are both Democrats.
A) 0.310 | B) 0.096 | C) 0.093 | D) 0.620 …show more content…
If a student is randomly selected, what is the probability that the student is a woman?
A) | 39 | | B) | 39 | | C) | 56 | | | D) | 1 | | 56 | | | 95 | | | 95 | | | | 95 | 6) A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag what is the probability that it is blue?
A) | 1 | | B) | 1 | | C) | 1 | | | D) | 3 | | 11 | | | 3 | | | 7 | | | | 14 |
Estimate the probability of the event.
7) Of 1003 people who came into a blood bank to give blood, 284 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure.
A) 0.251 | B) 0.202 | C) 0.334 | D) 0.283 |
Use the table below to answer the question. Assume a population of 50 million and a total death count of 350,000.
Leading Cause of Death in a CountryDuring One Year | Cause | Deaths | Heart Disease | 125,273 | Cancer | 85,621 | Stroke | 45,218 | Pulmonary Disorder | 31,605 | Accidents | 18,742 | Pneumonia/Flu | 17,932 | Diabetes | 12,213 | HIV/AIDS | 8,004 | Liver Disease | 5,392
Quiz 2
Prof. Fierimonte
Name Shana Hicks .5
MULTIPLE CHOICE
Find the indicated probability.
| 1) The table below describes the smoking habits of a group of asthma sufferers. 1) | | Light | Heavy | | Non-smoker | Smoker | Smoker | Total | Men | 431 | 44 | 41 | 516 | Women | 378 | 37 | 48 | 463 | Total | 809 | 81 | 89 | 979 |
If two different people are randomly selected from the 979 subjects, find the probability that they are both heavy smokers.
A) 0.0001262 | B) 0.001754 | C) 0.008264 | D) 0.008180 |
| 2) A IRS auditor randomly selects 3 tax returns from 50 returns of which 15 contain errors. 2) What is the probability …show more content…
If the identification were made by random guesses, find 3) the probability that all 6 witnesses would pick the same person.
A) 1.2 | B) 0.0001286 | C) 0.000064 | D) 0.00032 |
4) In one town, 37% of all voters are Democrats. If two voters are randomly selected for a survey, find the probability that they are both Democrats.
A) 0.310 | B) 0.096 | C) 0.093 | D) 0.620 …show more content…
If a student is randomly selected, what is the probability that the student is a woman?
A) | 39 | | B) | 39 | | C) | 56 | | | D) | 1 | | 56 | | | 95 | | | 95 | | | | 95 | 6) A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag what is the probability that it is blue?
A) | 1 | | B) | 1 | | C) | 1 | | | D) | 3 | | 11 | | | 3 | | | 7 | | | | 14 |
Estimate the probability of the event.
7) Of 1003 people who came into a blood bank to give blood, 284 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure.
A) 0.251 | B) 0.202 | C) 0.334 | D) 0.283 |
Use the table below to answer the question. Assume a population of 50 million and a total death count of 350,000.
Leading Cause of Death in a CountryDuring One Year | Cause | Deaths | Heart Disease | 125,273 | Cancer | 85,621 | Stroke | 45,218 | Pulmonary Disorder | 31,605 | Accidents | 18,742 | Pneumonia/Flu | 17,932 | Diabetes | 12,213 | HIV/AIDS | 8,004 | Liver Disease | 5,392