e ChecSThe annual per capita consumption of bottled water was 33.7 gallons. Assume that the per capita consumption of bottled water is approximately normally distributedwith a mean of 33.7 and a standard deviation of 12 gallons.a. What is the probability that someone consumed more than 39 gallons of bottled water?Sets anb. What is the probability that someone consumed between 25 and 35 gallons of bottled water?c. What is the probability that someone consumed less than 25 gallons of bottled water?d. 99.5% of people consumed less than how many gallons of bottled water?ook***a. The probability that someone consumed more than 39 gallons of bottled water is(Round to four decimal places as needed.)b. The probability that someone consumed between 25 and 35 gallons of bottled water is(Round to four decimal places as needed.)c. The probability that someone consumed less than 25 gallons of bottled water is(Round to four decimal places as needed.)gallons of bottled water.d. 99.5% of people consumed less than(Round to two decimal places as needed.).Get more help.Help me solve this3Type here to search3View an exampleO$4Et%54067870°F。NextL9:54 AM5/1/2022

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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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A rainstorm in Portland, Oregon, wipes out the electricity in 5% of the households in the city. Suppose that a random sample of 70 Portland households is taken after the rainstorm. a. Estimate the number of households in the sample that lost electricity by giving the mean of the relevant distribution. b. Quantify the uncertainty of your estimate by giving the standard deviation of the distribution.
sixteen men and sixteen women purchased magazine subscriptions.
The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard deviation of 5 ounces. 35 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N b. What is the distribution of a? - N( C. What is the probability that one randomly selected person drinks between 14.6 and 15.3 ounces of coffee per day? d. For the 35 people, find the probability that the average coffee consumption is between 14.6 and 15.3 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? Yes No f. Find the 1QR for the average of 35 coffee drinkers. Q1 = ounces Q3 = ounces IQR: ounces
A. What's the standard deviation for data set 1. B. What's the standard deviation for data set 2. C. What's the standard deviation for data set 3.
A variable is normally distributed with mean 11 and standard deviation 2. a. Find the percentage of all possible values of the variable that lie between 7 and 14. b. Find the percentage of all possible values of the variable that exceed 9. c. Find the percentage of all possible values of the variable that are less than 10. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. a. The percentage of all possible values of the variable that lie between 7 and 14 is %. (Round to two decimal places as needed.) b. The percentage of all possible values of the variable that exceed 9 is %. (Round to two decimal places as needed.) c. The percentage of all possible values of the variable that are less than 10 is %. (Round to two decimal places as needed.)
Which data set would give the smallest standard deviation? Select one: a. {100, 150, 200, 250, 300} O b. {1, 5, 7, 150, 2} O c. {4, 20, 55, 100, 2} O d. (56, 20, 34, 102, 30}
Salaries for teachers in a particular elementary school district are normally distributed with a mean of $47,000 and a standard deviation of $4,600. We randomly survey ten teachers from that district. (Round your answers to the nearest dollar.)a. Find the 90th percentile for an individual teacher's salary b. Find the 90th percentile for the average teacher's salary.
A primary measure of dispersion for sample data is the sample standard deviation, s. Choose the best option to explain what the meaning of the sample standard deviation is, in general. A. The distance between one observation and the mean. B. The average distance of an observation from the middle of the distribution. C. The average distance between observations in the sample. D. The distance between the third and first quartiles.
A group of friends get together every Sunday for a little pick-up hockey. The age of the 20 regulars is shown below. 20 28 26 46 28 27 41 38 21 38 46 44 50 33 35 37 24 43 25 37 a.) Find the standard deviation, mean, median, and mode for the distribution. b.) Which measure best describes these data? Explain.
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2. 60 matches were played in a football tournament. The table to the right shows the number of goals scored in all matches. Number of Goals 1 3 4 5 Number of Matches 18 20 3 a. Find the median number of goals scored per match. b. Find the mean number of goals scored per match. c. Calculate the standard deviation of the goals scored per match.

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