Quiz

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Question 1(0.25 points)

A business owner wants to research the number of accident-free days in a week at a factory. They randomly select several weeks to analyze. What are the values the random variable A can take on?

	0, 1, 2, 3, 4, 5, 6, 7
	1, 2, 3, 4, 5, 6, 7
	0, 1, 2, 3, 4, 5, 6
	1, 2, 3, 4, 5

Question 2(0.25 points)

A doctor at a small rural hospital wants to research the number of babies born daily at their hospital. The maximum number ever born in one day is 6babies. Let Y be the number of babies born at this hospital in a day.What are the values that the random variable can take on?

	0, 1, 2, 3, 4, 5, 6
	1, 2, 3, 4, 5, 6
	0
	6

Question 3(0.25 points)

True or False:

One of the requirements of a probability distribution is that the probabilities must sum to 0.

	True
	False

Question 4(0.25 points)

The following probability model shows the number of arrivals at an emergency room between midnight and 6:00 am.What should the value be in the missing cell?

X P(X O 0.05 0.09 0.20 0.26 0.18 6 0.06