A clothing vendor estimates that 78 out of every 100 of its online customers do not live within 50 miles of one of its physical stores. Using this estimate, what is that probability that a a randomly
Selected online customer lives within 50 miles of a physical store?
A).22
B).50
C).28
D).78

Question

Quizplus · Accepted Answer

The probability is calculated as the complement of the given probability that a customer does not live within 50 miles of a store. Since 78 out of every 100 customers live farther than 50 miles away, 100 - 78 = 22 out of every 100 live within 50 miles, making the probability 0.22 or 22%.

A Clothing Vendor Estimates That 78 Out of Every 100