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Ray Liu is a sales rep in northern California for high-end golf equipment. Each day, he...

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Question

Basic Math

Ray Liu is a sales rep in northern California for high-end golfequipment. Each day, he makes 10 sales calls (n = 10). The chanceof making a sale on each call is thought to be 25% (p = 0.25).

Assume this problem is appropriate for the binomial probabilitydistribution.

A. E(x) =
Enter your answer rounded to 1 decimal in the format 1.2, withno other text or symbols.

B. ?x =
Enter your answer rounded to 1 decimal in the format 1.2, withno other text or symbols.

C. Compute the following probabilities for Ray's calls tomorrow.Enter your responses in decimal format rounded to 3 decimals,in the format 0.123 with no other text or symbols.

The probability of making exactly 3 sales =

The probability of making fewer than 4 sales=

The probability of making more than 5 sales=

Answer & Explanation Solved by verified expert
4.1 Ratings (641 Votes)
A EX n p 10 025 25B sqrtnp1 p sqrt10    See Answer
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