The accompanying table shows the discrete probability distribution for the number of bedrooms per house in a certain community:

a. Determine the mean number of bedrooms per house.

b. Determine the standard deviation for the number of bedrooms per house.

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Question content area top right

Part 1

Number of Bedrooms	Probability
3	0.25
4	0.53
5	0.13
6	0.09

Question content area bottom

Part 1

a. The mean number of bedrooms per house is

enter your response here.

(Round to three decimal places as needed.)

Part 2

b. The standard deviation for the number of bedrooms per house is

enter your response here.

(Round to three decimal places as needed.)