Question: 2. A public speaker computes the probabilities for the number of speeches she gives in a week.The distribution is as follows: Find the mean, variance

2. A public speaker computes the probabilities for the number of speeches she gives in a week.The distribution is as follows: Find the mean, variance and the standard deviation for the distribution.

Number of speeches

Probabilities

.10

.44

.23

.21

.02

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