In a recent poll, 38% of people said that chocolate was their favorite flavor of ice...

In a recent poll, 38% of people said that chocolate was their favorite flavor of ice cream. Suppose that 20

adults are randomly selected.

Let X equal the number of people that answer chocolate is their favorite flavor of ice cream in the sample of 20. What is the probability distribution of X? (Be sure to list the specific distribution) (binomial, geometric, Poisson, exponential, uniform)

How many adults would you expect to say that chocolate is their favorite ice cream flavor? [2]

What is the standard deviation? [2]

What is the probability that nine of these adults would say that chocolate is their favorite flavor? [3]

What is the probability that at least 12 adults would say that chocolate is their favorite flavor? [3]

Expert Solution

orchestra answered 2 years ago

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