Problem 4.60) (pg. 180) (Basic business statistics 13th) A survey by the Health

Question

Problem 4.60) (pg. 180) (Basic business statistics 13th) A survey by the Health Research Institute at PricewaterhouseCoopers LLP indicated that 80% of "young invincibles" (those aged 18-24) are likely to share health information through social media, as compared to 45% of "baby boomers" (those aged 45 to 64).

Suppose this survey is based on 500 respondents from each of the two groups,

a. Construct a contingency table

b. Give an example of a simple and joint event

c. What is the probability that a random selected respondent is likely to share health information through social media?

d. What is the probability that a random selected respondent is likely to share health information through social media and is in the 45-64 year old age group?

e. Are the events "age group" and "likely to share to share health information through social media" independent or not? Explain.

Explanation / Answer

Problem 4.60) (pg. 180) (Basic business statistics 13th) A survey by the Health

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