According to the Federal Communications Commission, 70% of all U.S. households have vcrs. In a randomsample of 15 households, what is the probability that the number of households with vcrs is between 10 and 12,inclusive?
A) 0.5947
B) 0.4053
C) 0.7
D) 0.2061

Question

Quizplus · Accepted Answer

The probability of a household having a VCR is 0.7. To find the probability of having between 10 and 12 households (inclusive) with VCRs out of 15, we use the binomial probability formula. Calculating the probabilities for exactly 10, 11, and 12 households and summing them gives us the total probability, which matches choice A, 0.5947.

According to the Federal Communications Commission, 70% of All U