# Question

In Exercise, you learned that 50% of pet owners will get their next dog or cat from a Shelter (USA Today, May 12, 2010). In a random sample of 200 pet owners, let x be the number who will get their next dog or cat from a shelter.

a. Find the mean of x.

b. Find the standard deviation of x.

c. Find the z -score for the value x = 110.

d. Find the approximate probability that x is less than or equal to 110.

a. Find the mean of x.

b. Find the standard deviation of x.

c. Find the z -score for the value x = 110.

d. Find the approximate probability that x is less than or equal to 110.

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