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Mail OrderA mail order company has an 8% success rate. If
Chapter 6, Problem 12E(choose chapter or problem)
QUESTION:
Problem 12E
Mail OrderA mail order company has an 8% success rate. If it mails advertisements to 600 people, find the probability of getting less than 40 sales.
Questions & Answers
QUESTION:
Problem 12E
Mail OrderA mail order company has an 8% success rate. If it mails advertisements to 600 people, find the probability of getting less than 40 sales.
ANSWER:
Answer
Step 1 of 1
(a)
A mail order company has an 8% success rate.
We have given mails advertisements to 600 people.
We are asked to find the probability of getting less than 40 sales.
Let denote the number of sales.
We need to find
Here we will use the normal approximation to the binomial approximation.