Questions from Statistics Principles


Q: Suppose you live in a town with two hospitals—one large

Suppose you live in a town with two hospitals—one large and the other small. On a given day in one of the hospitals, 60% of the babies who were born were girls. Which one do you think it is? Or, is it...

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Q: Suppose that a probability is approximated to be zero based on empirical

Suppose that a probability is approximated to be zero based on empirical results. Does this mean the event is impossible? Explain.

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Q: Define each of the following. (a) Probability

Define each of the following. (a) Probability (b) Experiment (c) Event (d) Sample space (e) Equally likely outcomes (f) Impossible event (g) Unusual event

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Q: True or False: In a probability model, the sum of

True or False: In a probability model, the sum of the probabilities of all outcomes must equal 1.

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Q: Verify that the following is a probability model. What do we

Verify that the following is a probability model. What do we call the outcome “blue”?

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Q: Verify that the following is a probability model. If the model

Verify that the following is a probability model. If the model represents the colors of M&Ms in a bag of milk chocolate M&Ms, explain what the model implies.

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Q: Why is the following not a probability model? /

Why is the following not a probability model?

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Q: If E and F are disjoint events, then P(E

If E and F are disjoint events, then P(E or F) =______ .

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Q: If E and F are not disjoint events, then P(

If E and F are not disjoint events, then P(E or F) =______ .

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Q: What does it mean when two events are complements?

What does it mean when two events are complements?

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