Explain what is the standard deviation

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Reference no: EM1374273

Use the subsequent scenario to answer the next three questions. A volunteer ambulance service handles 0 to 5 service calls on any given day. The prospect distribution for the number of service calls is as follows.

Number of service calls probability

0 .10
1 .15
2 .30
3 .20
4 .15
5 .10

Explain what is the expected number of service calls?

Explain what is the variance in the number of service calls?

Explain what is the standard deviation?

Reference no: EM1374273

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