Chapter 5 Quiz Previous 1 2 3456 78 9 10 Next Question 8 of 13 (4 points) View p
ID: 3058128 • Letter: C
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Chapter 5 Quiz Previous 1 2 3456 78 9 10 Next Question 8 of 13 (4 points) View problem in a pop-up Text me: In 2009, a study from a consumer research company reported that 53% of teenagers sent a text message on their cell phone during the past 30 days. A sample of 18 teenagers is studied. Round the answers to four decimal places. Part 1 What is the probability that six or more of them sent a text message? The probability that six or more of them sent a text message is p.9999-. Correct answer: 0.9725 Part 2 What is the probability that fewer than 10 of them sent a text message? The probability that fewer than 10 of them sent a text message is 0.4905 Part 3 What is the probability that exactly eight of them sent a text message?Explanation / Answer
Chapter 5 Quiz Previous 1 2 3456 78 9 10 Next Question 8 of 13 (4 points) View problem in a pop-up Text me: In 2009, a study from a consumer research company reported that 53% of teenagers sent a text message on their cell phone during the past 30 days. A sample of 18 teenagers is studied. Round the answers to four decimal places. Part 1 What is the probability that six or more of them sent a text message? The probability that six or more of them sent a text message is p.9999-. Correct answer: 0.9725 Part 2 What is the probability that fewer than 10 of them sent a text message? The probability that fewer than 10 of them sent a text message is 0.4905 Part 3 What is the probability that exactly eight of them sent a text message?
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