The PEW Research Institute recently conducted a survey of adult Americans regarding Internet shopping. The survey found that 15% ofthe respondents made a retail purchase on the Internet last week. A retailer wished to verify this claim. In a random sample of 16adults:a. What is the likelihood that exactly three adults make an Internet purchase during a week? (Round your answer to 4 decimalplaces.)Probabilityb. Of the 16 adults, how many are expected to make a purchase during a week? (Round your answer to 1 decimal place.)Expected purchasesc. What is the likelihood that three or less of the 16 adults make an Internet purchase during a week? (Round your answer to 2decimal places.)Probability< Prev13 of 17Next

It is given that 15% of the respondents made a retail purchase on the internet last week and 16…

Answered: The PEW Research Institute recently…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Based on a poll, among adults who regret getting tattoos, 28% say that they were too young when they got their tattoos. Assume that eighteight adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos.
100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? Enter the exact answer, or round the answer to three decimal places No 46 28 74 Total 60 40 100
R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is selected, what is the probability that At most 3 people will agree with that statement. Select one: a. 1 O b. 0.913 c. 0.8 O d. 0.7
100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male Female Total Yes 14 12 26 What is the probability that a randomly selected smoker is male? Enter the exact answer, or round the answer to three decimal places No 46 28 74 Total 60 40 100
Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 adults, 418 have sleepwalked. a. Assuming that the rate of 26.6% is correct, find the probability that 418 or more of the 1517 adults have sleepwalked. b. Is that result of 418 or more significantly high? c. What does the result suggest about the rate of 26.6%?
A poll asked people with and without children under 18 years old if they frequently experienced stress. The results are shown in the accompanying table. Complete parts (a) through (c) below. Frequently Experience Stress Yes No Total With child under 296 234 530 18 уears No child under 196 314 510 18 years Total 492 548 1040 a. Find the probability that a randomly chosen person from this group said "Yes," given that the person has a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) b. Find the probability that a randomly chosen person from this group said "Yes," given that the person does not have a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) c. Find the probability that a randomly chosen person from this group said "Yes" or had a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.)
A survey found that 39% of U.S. adults say that Google News is a major source of news for them. You randomly choose 13 adults and ask them whether Google news is a major source of news for them. Find the probability that 3 or fewer say yes. O 0.1877 O 0.1210 O 0.0667 O 0.1256
Answer the Following Question Probability that a 4 or a red queen is drawn from a deck of standard playing cards.

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