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=
