Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 73

Probability Estimate: Raise one Eyebrow Can you raise one eyebrow at a time Use the students in your statistics class (or a group of friends) to estimate the percentage of people who can raise one eyebrow at a time. How can your result be thought of as an estimate for the probability that a person chosen at random can raise one eyebrow at a time Comment : National statistics indicate that about 30% of Americans can raise one eyebrow at a time. (see source in problem 15).