Frequency distribution to create a probability distribution

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Q1) Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret results in the context of real life situation.

Computers:

Number of computers per householdin a small town 

Computers

0

1

2

3

Households

300

280

95

20

Q2) Sociologist surveyed households in aneighboring town. Random variable x represents number of dependent children in the house holds.

x

0

1

2

3

4

5

6

P(x)

0.05

?

0.23

0.21

0.17

0.11

0.08

Reference no: EM1312422

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