Mathematics, 07.05.2021 02:30 letsgetcookingblog
A salesperson uses random digit dialing to call people and try to interest them in applying for a charge card for a large department store chain. From past experience, she is successful on 2% of her cals. in typical working, she makes 50 calls. Let X be the number of calls on which she is unsuccessful.
a. This is binomial distribution. Explain using the BINS method why this is so.
b. Find the mean and standard deviation of X. Leave answer to 4 d. p
c. Find the probablity of P(X>or equal to 48)
Answers: 2
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A salesperson uses random digit dialing to call people and try to interest them in applying for a ch...
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