Which one of these variables is a continuous random variable? a. The time it tak
ID: 3380507 • Letter: W
Question
Which one of these variables is a continuous random variable?
a. The time it take a randomly selected student to complete an exam
b. The number of children in a family
c. The number of women taller than 68 inches in a random sample of 5 women.
d, The number of correct guesses an a multiple choice test.
2.Selection of favorite fruits and responses of orange, grape, apple, kiwi or other many were recorded are
a.Probability distribution
b.Binomial distribution
c.Poisson distribution
d.none
Please explain
Explanation / Answer
Which one of these variables is a continuous random variable?
a. The time it take a randomly selected student to complete an exam [ANSWER]
A continuous variable can take any value on a certain interval. Here, the student can complete an exam in 34.32897 minutes. For the other choices, you can't have decimal values.
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2.Selection of favorite fruits and responses of orange, grape, apple, kiwi or other many were recorded are
a. Probability distribution. [ANSWER]
It is not a binomial because there are not only 2 outcomes. It is not Poisson because this is a categorical variable. However, we can present this as a probability distribution, giving each fruit its own probability.
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