decide whether the random variable x is discrete or continou

decide whether the random variable x is discrete or continous for each

a. x represents the volume of bottled water in a 32 ounce container

b. x represents the length of time to complete a test

c. x represents the number of home runs hit during a baseball game

d. x represents the number of blackouts in california last year

2. determine the probability distributions missing probability value

a. sociologist surveyed the households in a small town. the random variable x represents the number of dependent children in the households

x- -0 - 0.07 1-0.20 2-0.38 3- ? 4- 0.13

3. a. construct the probability histogram of the following discrete distribution

x- 0 - 0.1 / 2- 0.3/ 4-0.4/ 5-0.2

Solution

1

A) continuous

B) continuous

C) discrete

D) discrete

2)

0.07+.20+.38+?+.13=1

?= 0.22.   

3)

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0. 2. 4. 5 -> x