The annual per capita consumption of bottled water was 30.3 gallons. Assume that the per capita consumpticof bottled water is approximately normally distributed with a mean of 30.3 and a standard deviation of 12gallons.a. What is the probability that someone consumed more than 30 gallons of bottled water?b. What is the probability that someone consumed between 20 and 30 gallons of bottled water?c. What is the probability that someone consumed less than 20 gallons of bottled water?d. 97.5% of people consumed less than how many gallons of bottled water?a. The probability that someone consumed more than 30 gallons of bottled water is(Round to four decimal places as needed.)b. The probability that someone consumed between 20 and 30 gallons of bottled water is(Round to four decimal places as needed.)c. The probability that someone consumed less than 20 gallons of bottled water is(Round to four decimal places as needed.)d. 97.5% of people consumed less thangallons of bottled water.Clear allCheck answer3:39 PM2/3/2022homeenddeleteprt scbackspacelock

Answered: The annual per capita consumption of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting307days or longer. b. If the length of pregnancy is in the lowest33%,then the baby is premature. Find the length that separates premature babies from those who are not premature
The average smartphone user used 606 megabytes of data per month. Assume the standard deviation of data usage was 240 megabytes per month. A random sample of 60 smartphone users was selected. a. What is the expected value of the sample mean? b. What is the standard deviation of the sample mean? c. What is the probability that the averaged amount of data used in this sample was between 540 and 580?
A personal computer is used for office work at home, research, communication, personal finances, education, entertainment, social networking, and a myriad of other things. Suppose that the average number of hours a household personal computer is used for entertainment is two hours per day. Assume the times for entertainment are normally distributed and the standard deviation for the times is half an hour. a. Find the probability that a household personal computer is used for entertainment between 1.8 and 2.75 hours per day.
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The average monthly cable bill in 2016 has been reported to be $92.Assume monthly cable bills follow a normal distribution with a standard deviation of $8.50. a. What is the probability that a randomly selected bill will be 4. between $85 and $95? b. Which monthly cable bill represents the 65th percentile?
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The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days. a. In a letter to an advice column, a wife claimed to have given birth 307 days after a brief visit from her husband, who was working in another country. Find the probability of a pregnancy lasting 307 days or longer. What does the result suggest? b. If the length of pregnancy is in the lowest 3%, then the baby is premature. Find the length that separates premature babies from those who are not considered premature. a. The probability that a pregnancy will last 307 days or longer is enter your response here. (Round to four decimal places as needed.) What does the result suggest? A. The result suggests that either a very rare event occurred or the husband is not the father. B. The result suggests an uncommon but not significant event occurred. C. The result suggests the event did not occur. D. The result suggests that the…
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The annual per capita consumption of bottled water was 33.5 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 33.5 and a standard deviation of 12 gallons. The probability that someone consumed more than 34 gallons of bottled water is__. The probability that someone consumed between 30 and 40 gallons of bottled water is ___. The probability that someone consumed less than 30 gallons of bottled water is___.
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