Determine whether the random variable is discrete or continuous. In each case, s

Question

Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of people with blood type Upper A in a random sample of 13 people . (b) The time it takes to fly from City Upper A to City Upper B . (a) Is the number of people with blood type Upper A in a random sample of 13 people discrete or continuous? A. The random variable is discrete. The possible values are 0 less than or equals x less than or equals 13 . B. The random variable is continuous. The possible values are xequals 0, 1, 2,...comma 13. C. The random variable is continuous. The possible values are 0 less than or equals x less than or equals 13 . D. The random variable is discrete. The possible values are xequals 0, 1, 2,...comma 13. (b) Is the time it takes to fly from City Upper A to City Upper B discrete or continuous? A. The random variable is discrete. The possible values are t greater than 0 . B. The random variable is continuous. The possible values are t greater than 0 . C. The random variable is continuous. The possible values are t equals 1 comma 2 comma 3 comma ... . D. The random variable is discrete. The possible values are t equals 1 comma 2 comma 3 comma ... .

Explanation / Answer

a) The random variable is discrete. The possible values are x = 0, 1, 2, .... , 13

Option D is correct.

b) The random variable is continuous. The possible values are t greater than 0.

Option B is correct.

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