a-health-magazine-conducted-a-poll-among-800800-readers-about-their-weekly-exerc

Question

A health magazine conducted a poll among $800$ readers about their weekly exercise habits. The question was, 'Do you exercise more than $3$ times a week?' The responses were collected as shown below.

Determine if the table represents a probability distribution, and if so, find its mean and standard deviation.

Table showing exercise poll results: 560 Yes (70%), 240 No (30%).

Accepted Answer

Yes, it is a valid probability distribution with $800$ and $sigma equals 0.46$ .

Answer

No, it is not a valid probability distribution.

Answer

Yes, it is a valid probability distribution with $800$ and $sigma equals 0.46$ .

Answer

Yes, it is a valid probability distribution with $800$ and $sigma equals 0.46$ .