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OpenStax, Introductory Business Statistics 2e §4.4 Poisson Distribution · Exercise 21 · Probability · Discrete distributions

Poisson Distribution · Exercise 21

For every 200 U.S. kids and teens, the average number who have obsessive compulsive disorder is one. Out of a randomly chosen group of 600 U.S. kids and teens determine the following.

(a) In words, define the random variable X.
(b) List the values that X may take on.
(c) Give the distribution ofX. X ~ _____(_____,_____)
(d) How many are expected to have obsessive compulsive disorder?
(e) Find the probability that no one has obsessive compulsive disorder.
(f) Find the probability that more than four have obsessive compulsive disorder.

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Introductory Business Statistics 2e · §4.4 Poisson Distribution · Exercise 21

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