Question: Kimberly Lau plans to make three sales calls today She

Kimberly Lau plans to make three sales calls today. She estimates that the chance of making a sale on any one call is about 30%. The calls are independent.
a. Construct a probability tree to produce the full probability distribution for the random variable “number of sales”. Show distribution results in the x, P(x) table format.
b. Show the distribution graphically.
c. Compute the expected number of sales and the standard deviation of the sales distribution.



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  • CreatedJuly 16, 2015
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