The annual per capita consumption of bottled water was 31.1 gallons. Assume that the per capita consumption of bottled water is approximately normally distributedwith a mean of 31.1 and a standard deviation of 11 gallons.a. What is the probability that someone consumed more than 36 gallons of bottled water?b. What is the probability that someone consumed between 30 and 40 gallons of bottled water?c. What is the probability that someone consumed less than 30 gallons of bottled water?d. 95% of people consumed less than how many gallons of bottled water?...a. The probability that someone consumed more than 36 gallons of bottled water is(Round to four decimal places as needed.)b. The probability that someone consumed between 30 and 40 gallons of bottled water is(Round to four decimal places as needed.)c. The probability that someone consumed less than 30 gallons of bottled water is(Round to four decimal places as needed.)d. 95% of people consumed less than gallons of bottled water.(Round to two decimal places as needed.)Help me solve thisView an exampleGet more help.Nextc) Given1-a=0.95n-46a-1-0.95-0.05a2-0.025Degrees of freedom (df)=n-1-46-(from + tablelt-2.0141d Given1 a-011-15+-ta? df +0.025.45-2.0141Type here to search.O&6H73$4%74+879°FCo

Let X denote the consumption of bottled water. Given that X follows N(mean = 31.1, SD = 11), then Z…

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 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.)
The Langtry of a pregnancy is normally distributed with a mean of 268days and a standard deviation of 15. A.Find the percentage of pregnancies less then 268 days. B. Find the percentage of pregnancies lasting less then 261 days. C. If pregnancies is considered premature if ot is in the lowest 3% of pregnancies, find the number of days which separates a premature baby from those who are not premature.
select the letter of the correct answer in the Choices. Questions: 1. What is the mean? Choices: A. 65 B. 75 C. 85 D. 95 2. What is the standard deviation? Choices: A. 10 B. 5 C. 15 D. 20 3. What is the area of the shaded region? Choices: A. 0.9972 B. 0.9525 C. 0.9544 D. 0.0228
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.
One of the following is classifies as interval level: Select one: a. Height of the student b. Area of a house c. Weight of the student d. Body temperature
Answer d and e
A packing machine is set to fill a cardboard box with a mean average of 16.1 ounces of cereal. Suppose the amounts per box form a normal distribution with standard deviation equal to 0.04 ounce. a. Ten percent of boxes will contain more than what number of ounces? O16.15 O11.12 O 13.33 O14.89
Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg. How many percent of students have a weight between 60 kg to 70 kg? O a. 0% O b. 38.30% C. 19.15% d. 50%
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.
The mode and mean of a normal distribution is 45. Then, the median of the distribution is O a. 22.5 O b. 54 O c. 45 O d. 50
D-f
1. According to one study, the average hours of sleep on a weeknight for men was 6.9 hours with a standard deviation of 1.5 hours. a. Find the proportion of men who sleep for more than 8 hours per night. b. Find the proportion of men who sleep for less than 6 hours per night. c. Find the proportion of men who sleep between 6-8 hours per night. d. Find the number of hours that represents the 90th percentile.

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