The one-time fling! Have you ever purchased an article of clothing (dress, sport
ID: 2948922 • Letter: T
Question
The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling. About 15% of all adults deliberately do a one-time fling and feel no guilt about it! In a group of six adult friends, what is the probability of the following? (Round your answers to three decimal places.)
(a) no one has done a one-time fling
(b) at least one person has done a one-time fling
(c) no more than two people have done a one-time fling
Explanation / Answer
This is a binomial distribution with parameter:
n = 6, p = 0.15
a) P(None) = (0.15)6 = 0.000
b) P(At least 1) = 1 - P(None) = 1 - 0.000 = 1
c) P(No more than two) = binom.dist(2, 6, 0.15, True) = 0.953