Question

Do not round intermediate calculations. round your answers to two decimal places. a. define a random variable number of times that owner-occupied units had a water supply stoppage lasting or more hours in the past months and develop a probability distribution for the random variable. (let represent or more times.) 0.04 0.34 0.41 0.17 0.04 1 b. compute the expected value and variance for . 1.82 c. define a random variable number of times that renter-occupied units had a water supply stoppage lasting or more hours in the past months and develop a probability distribution for the random variable. (let represent or more times.) 0 0.03 0.22 0.52 0.23 1 d. compute the expected value and variance for . e. what observations can you make from a comparison of the number of water supply stoppages reported by owner-occupied units versus renter-occupied units

Answer 1

Observations can you make from a comparison of the number of water supply stoppages reported by owner-occupied units versus renter-occupied units 1.

Total no. of times owner-occupied units had a water supply stoppage lasting 6 or more hours

547000 + 5012000 + 6110000 + 2544000 + 557000 = 14770000

x = no. of times owner-occupied units had a water supply stoppage.

What is the probability at x =0?

P(x=0) = 547000/14770000

P(x=0) = 0.0370

Similarly, we have at x=1

P(x=1) = 5012000/14770000

P(x=1) = 0.3393

P(x=2) = 6110000/14770000

P(x=2) = 0.4137

P(x=3) = 2544000/14770000

P(x=3) = 0.1722

P(x=4) = 557000/14770000

P(x=4) = 0.0378

x           f(x)

0             0.0370

1              0.3393

2         0.4137

3              0.1722

4         0.0378

Total     1

Observations can you make from a comparison of the number of water supply stoppages reported by owner-occupied units versus renter-occupied units 1.

To learn more about the probability distribution visit:

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