Questions from Statistics


Q: What’s the probability of getting at least one six when you roll

What’s the probability of getting at least one six when you roll two dice? The table below shows the outcome of five trials in which two dice were rolled. a. List the trials that had...

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Q: What’s the probability of rolling two numbers whose sum is 7 when

What’s the probability of rolling two numbers whose sum is 7 when you roll two dice? The table below shows the outcome of ten trials in which two dice were rolled. a. List the trials...

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Q: A multiple-choice test has 30 questions. Each question has

A multiple-choice test has 30 questions. Each question has three choices, but only one choice is correct. Using a random number table, which of the following methods is a valid simulation of a student...

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Q: A true/false test has 20 questions. Each question has

A true/false test has 20 questions. Each question has two choices (true or false), and only one choice is correct. Which of the following methods is a valid simulation of a student who guesses randoml...

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Q: a. Use the line of random numbers below to simulate flipping

a. Use the line of random numbers below to simulate flipping a coin 20 times. Use the digits 0, 1, 2, 3, 4 to represent heads and the digits 5, 6, 7, 8, 9 to represent tails. 11164 … 36318 … 75061 … 3...

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Q: The accompanying table gives the 2018 population and area (in square

The accompanying table gives the 2018 population and area (in square kilometers) of five U.S. cities. See page 39 for guidance. (Source: www.citymayors.com). a. Determine and report the ranking of th...

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Q: a. Explain how you could use digits from a random number

a. Explain how you could use digits from a random number table to simulate rolling a fair six-sided die. b. Carry out your simulation beginning with line 3 of the random number table in Appendix A. Re...

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Q: Refer to Histograms A, B, and C, which show

Refer to Histograms A, B, and C, which show the relative frequencies from experiments in which a fair six-sided die was rolled. One histogram shows the results for 20 rolls, one the results for 100 ro...

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Q: The table shows the results of rolling a fair six-sided

The table shows the results of rolling a fair six-sided die. Using the table, find the empirical probability of rolling a 1 for 20, 100, and 1000 trials. Report the theoretical probability of rolling...

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Q: Imagine flipping a fair coin many times. Explain what should happen

Imagine flipping a fair coin many times. Explain what should happen to the proportion of heads as the number of coin flips increases.

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