62 Where will you get your next pet? According to an Associated Press/Petside.com poll, half of all pet owners would get their next dog or cat from a shelter ( USA Today, May 12, 2010). Consider a random sample of 10 pet owners and define x as the number of pet owners who would acquire their next dog or cat from a shelter. Assume that x is a binomial random variable.

a. For this binomial experiment, define a success.

b. For this binomial experiment, what is n ?

c. For this binomial experiment, what is p ?

d. Find P( x = 7).

e. Find P( x Ú 3).

f. Find P( x 7 8 ).