Mathematics, 20.10.2020 01:01 tydendf10

Home living magazine found that 66% of new puppy owners greet their puppy before greeting their spouse or children when they return home at the end of the workday. Suppose that 12 puppy owners are selected at random 1.Show that four requirements for a binomial setting are satisfied.
2 Find the probability that exactly seven of the 12 puppy owners greet their dog first when they arrive home.
3.Find the probability that at least 5 of the dog 12 dog owners greet their puppy first when they arrive home.
4.Find the mean and standard deviation for the random variable X in this problem

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