Question

Croissant Bakery offers decorated cakes for special occasions as well as a regular assortment of cakes....

Croissant Bakery offers decorated cakes for special occasions as well as a regular assortment of cakes. The following table gives the total number of cakes sold per day and the corresponding probability.

Compute the mean, variance and the standard deviation of the number of cakes sold per day.

Number of Cakes    Probability

Sold in a Day

10 .25

11 .35

12 .30

13 .10

Math   Statistics-And-Probability   
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