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You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY. A. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes. B. The mean amount of time that your friend is late is 7.5 minutes. C. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes. D. None of the above

You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY. A. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes. B. The mean amount of time that your friend is late is 7.5 minutes. C. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes. D. None of the above

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 80E
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You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY. A. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes. OB. The mean amount of time that your friend is late is 7.5 minutes. C. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes. D. None of the above
Transcribed Image Text:You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY. A. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes. OB. The mean amount of time that your friend is late is 7.5 minutes. C. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes. D. None of the above
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