Questions from Statistics Principles


Q: Which of the following numbers could be the probability of an event

Which of the following numbers could be the probability of an event? 0, 0.01, 0.35, -0.4, 1, 1.4

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Q: Which of the following numbers could be the probability of an event

Which of the following numbers could be the probability of an event?

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Q: According to Nate Silver, the probability of a senate candidate winning

According to Nate Silver, the probability of a senate candidate winning his/her election with a 5% lead in an average of polls with a week until the election is 0.89. Interpret this probability. Sourc...

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Q: In seven-card stud poker, a player is dealt seven

In seven-card stud poker, a player is dealt seven cards. The probability that the player is dealt two cards of the same value and five other cards of different value so that the player has a pair is 0...

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Q: Rats with cancer are divided into two groups. One group receives

Rats with cancer are divided into two groups. One group receives 5 milligrams (mg) of a medication that is thought to fight cancer, and the other receives 10 mg. After 2 years, the spread of the cance...

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Q: Suppose that you toss a coin 100 times and get 95 heads

Suppose that you toss a coin 100 times and get 95 heads and five tails. Based on these results, what is the estimated probability that the next flip results in a head?

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Q: Suppose that you roll a die 100 times and get six 80

Suppose that you roll a die 100 times and get six 80 times. Based on these results, what is the estimated probability that the next roll results in six?

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Q: Bob is asked to construct a probability model for rolling a pair

Bob is asked to construct a probability model for rolling a pair of fair dice. He lists the outcomes as 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. Because there are 11 outcomes, he reasoned the probability o...

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Q: A person can have one of four blood types: A,

A person can have one of four blood types: A, B, AB, or O. If a person is randomly selected, is the probability they have blood type A equal to 1/4? Why or why not?

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Q: If a person rolls a six-sided die and then flips

If a person rolls a six-sided die and then flips a coin, describe the sample space of possible outcomes using 1, 2, 3, 4, 5, 6 for the die outcomes and H, T for the coin outcomes.

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