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Cellular Phone Sales The probability that a cellular phone
Chapter 5, Problem 5E(choose chapter or problem)
QUESTION:
Problem 5E
Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Find the mean, variance, and standard deviation for this probability distribution.
X |
4 |
5 |
6 |
8 |
10 |
P(X) |
0.4 |
0.3 |
0.1 |
0.15 |
0.05 |
What is the probability that they will sell 6 or more contracts three days in a row?
Questions & Answers
QUESTION:
Problem 5E
Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Find the mean, variance, and standard deviation for this probability distribution.
X |
4 |
5 |
6 |
8 |
10 |
P(X) |
0.4 |
0.3 |
0.1 |
0.15 |
0.05 |
What is the probability that they will sell 6 or more contracts three days in a row?
ANSWER: