Ensure you show all formulas and state values of variables, substitute and solve.

Provide a concluding statement for all parts.

1.Suppose that 31% of families in town own iPads. If sixteen families are surveyed at random,

a. Determine the probability that exactly 4 families own an IPAD.

b. Determine the probability that less than 3 families own iPads.

c. Determine the probability that least 3 families own iPads.

d. Determine the expected number of families with an iPad.

2.There are ten cats and eleven dogs in a pet shop. Nine pets are chosen at random to visit a children's hospital.

a. Determine the probability that exactly three of the pets will be dogs.

b. Determine the probability that less than 2 of the pets will be dogs.

c. Determine the probability that at least 2 of the pets will be dogs.

d. Determine the expected number of dogs chosen.

Thanks!