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Using a Distribution to Find Probabilities In
Chapter 4, Problem 23E(choose chapter or problem)
Problem 23E
Using a Distribution to Find Probabilities In Exercise, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine whether the events are unusual. If convenient, use a table or technology to find the probabilities.
Education Fifty-four percent of parents would give up cable television to have their child’s education paid for. You randomly select five parents. Find the probability that the number of parents who would give up cable television to have their child’s education paid for is (a) exactly three, (b) less than four, and (c) at least three.
Questions & Answers
QUESTION:
Problem 23E
Using a Distribution to Find Probabilities In Exercise, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine whether the events are unusual. If convenient, use a table or technology to find the probabilities.
Education Fifty-four percent of parents would give up cable television to have their child’s education paid for. You randomly select five parents. Find the probability that the number of parents who would give up cable television to have their child’s education paid for is (a) exactly three, (b) less than four, and (c) at least three.
ANSWER:
Answer
Step 1 of 1
(a)
We are asked to find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution.
Then determine whether the events are unusual.
If convenient, use a table or technology to find the probabilities.
We have given 54% of parents would give up cable television to have their child’s education paid for.
You randomly select five parents.