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David, Post-Doctoral Degree
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Croissant Bakery, INC. offers special decorated cakes for birthdays,

Resolved Question:

Croissant Bakery, INC. offers special decorated cakes for birthdays, weddings, and other occasions. It also has regular available in its bakery. The following table gives the total number of cakes sold per day and the corresponding probability. Compute the mean, variance, and standard deviation of the number of cakes sold per day.

Number of Cakes Sold in a Day Probability
12 .25
13 .40
14 .25
15 .10
Submitted: 5 years ago.
Category: Math Homework
Expert:  David replied 5 years ago.

David :

hello again.
the answers are:
mean = 13.2
variance = 0.86
standard deviation = 0.927

David :

please do not hesitate to request me in the future just begin your post with "For David" and I'll revert immediately if I'm online


Hi, im checking my answer for a class, thats why it taken a few minutes send them over, thank you for your help.

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