27. The average number of milligrams (mg) of sodium in a certain brand of low-salt microwave frozen dinners is 660 mg, and the standard deviation is 35 mg. Assume the variable is normally distributed. If a sample of 25 dinners is selected, find the probability that the mean of the sample will be larger than 670 mg. 7.64 O 61.41% 38.59% 92.36%

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: Since you have posted more than one question, we are answering the first question as per our rule.…

Q: SUPPOSE THAT THE VOLUME OF MINERAL WATER IN THE 2-GALLON CONTAINERS A CERTAIN MINERAL WATER STATION…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: 8. The reading speed of sixth-grade students is approximately normal, with a mean speed of 135 words…

A:

Q: .Suppose a population is known to be normally distributed with a mean, u, equal to 144 and a…

A: Given data,μ=144σ=27P(90<144)=?

Q: 1) Assume the gas mileage for a car is normally distributed with a mean of 20.0 miles per gallon and…

A: We hvae to find given probability..

Q: Suppose that a college determines the following distribution for X = number of courses taken by a…

A: Note: Thank you for the question. As your question has more than 3 parts, according to our policy,…

Q: 1. A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of…

A:

Q: d) What is the probability that the number of drivers will be 10 or more? e) Find the mean and the…

A:

Q: 26. The average number of milligrams (mg) of sodium in a certain brand of low-salt microwave frozen…

A: Solution-: Given: μ=660,σ=35 We find, P[the sodium content will be more than 670 mg]=?

Q: According to the Chebyshev's rule, the proportion of observations within 2.5 standard deviations of…

A:

Q: 47 If the mean of a test score is 30 and the standard deviation is 3.7, which score could be…

A:

Q: 28. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: Given: Standard deviationσ=15 and sample sizen=100. Formula used: Standard Error=σn To find: Sample…

Q: 2. A normally distributed set of 968 values has a standard deviation of 11 and a mean of 108. Which…

A:

Q: The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A: Given data ,u=9.6σ=1.8n=36P9<x<10=?

Q: The lifespan of a laptop battery is normally distributed. If the mean lifespan of a battery is 4…

A:

Q: 6.29 According to the records of an electric company serving the Boston area, the mean electricity…

A: Introduction:Denote X as the monthly electricity consumption (kilowatt-hours) for a randomly…

Q: In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25.…

A: According to the given information in this question There are two questions according to bartleby we…

Q: c. What fraction of babies is more than 1.5 standard deviations from the mean in either direction?…

A: Given,

Q: .In university’s football team average weight of players is around (72) kg, and the standard…

A: Given Information: Heights of football team players are normally distributed. Mean μ=72  Standard…

Q: 4.54 How many close friends? How many close friends do you have? Suppose that the number of close…

A: Solution: 4.54 From the given information, x-bar is normally distribution with mean 8 and standard…

Q: 20. The length of adult parakeets is normaly distributed. If the mean length is inches with a…

A: Given that, Mean = 8 Standard deviation = 0.25

Q: Assume the average price for a movie is ​$7.35. Assume the population standard deviation is ​$0.44…

A:

Q: 1. A survey found that the American family generates an average of 17.2 pounds of glass garbage each…

A: Given Population mean μ=17.2, population standard deviations σ=2.5, n=55  Note: This probability…

Q: Q#7:The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A:

Q: 2. Suppose golfer Michelle Wie has an average driving distance of 269.1 yards, with a standard…

A: X~N( μ = 269.1  , ? = 13.8) μ = 269.1 , ? = 13.8 Z-score =( x - μ )/? Note: According to bartleby…

Q: The Economic Policy Institute periodically issues reports on worker’s wages. The institute reported…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: A population has a mean of 80 and a standard deviation of 8. Ai ralue is ndom sa O A. None of the…

A: As the sample size is higher than 30 it can be said that the distribution follows a normal…

Q: 8)You are told that the distribution of television weights is normal, with a mean, u of 11.4…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: 6) Assume that in 2018 the mean mathematics SAT score was 524 and the standard deviation was 117. A…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: 3. The amount of beer Finnish people drink per year is normally distributed with 1 = 78.7 liters and…

A: We have to find correct answer for given data..

Q: A distribution of numbers is approximately bell shaped. If the mean of the numbers is 129 and the…

A: a. The two numbers that would fall approximately between 68% of the given values are, Thus, the two…

Q: (a)    It has been reported that the length of human pregnancies from conception to birth…

A: a)GivenMean(μ)=266standard deviation(σ)=16

Q: Suppose that the commuting time on a particular train is uniformly distributed between 50 and 60…

A: The pdf  of the continuous uniform distribution is f(x)=1b-a ~a≤x≤b∑(X)=a+b2var(X) = (b-a)212

Q: 3. Assuming you obtained a random sample of blood glucose levels from 32 individuals from a…

A: It is given that the glucose levels are normally distributed with mean 120 and standard deviation of…

Q: In a sample of size 36, the sample mean was found to be 54.6. If the probability of getting a sample…

A: Given : In a sample of size 36, the sample mean was found to be 54.6.

Q: 29. The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what…

A: The complete solutions are given below

Q: 12. The heights of male high school students are normally distributed with mean of 64 in and a…

A: From the provided information, Mean (µ) = 64 Standard deviation (σ) = 3.2 X~N (64, 3.2) Here X be a…

Q: 24. Which of the following is likely to have the largest standard deviation? O Number of hours…

A: Note: Hey there! Thank you for the question. As you have posted multiple questions together,…

Q: According to a survey of the top 10 employers in a major city in the Midwest, a worker spends an…

A: From the given information, μ=413 and σ=26.8 The variable time spent is approximately normally…

Q: The mean IQ of 200,000 current and past University of Manitoba students has been found to be 81.9.…

A: Given: Population mean μ=81.9 Population standard deviation σ=13.1 Number of people in 2016 = 29987…

Q: According to a survey of the top 10 employers in a major city in the Midwest, a worker spends an…

A:

Q: (d) What is the probability that chloride concentration differs from the mean by more than 1…

A: Here AS per givens note I have calculated d,e, f parts Here mean = 104 Standard deviation  = 5

Q: The average amount of Vitamin C in a capsule of a multivitamin is 500 mg and the standard deviation…

A:

Q: Answer and Graph the following: The length of time needed to servce a motorcycle at ETS Service…

A: Given : Let X be the length of time needed to service a motorcycle at ETS service stationMean ( μ) =…

Q: 2. A machine produces electrical components. 99.7% of the components have lengths between 1.176 cm…

A: A machine produces electrical components. 99.7% of the components have lengths between 1.176 cm and…

Q: . Each member of a large genetics class grows 12 pea plants from an independent pea family. Each…

A: Total pea plants (n) = 12 Proportion of smooth pea plants = 3/4 Proportion of wrinkled pea plants =…

Q: Given a test that is normally distributed with a mean of 100 and a standard deviation of 12, find:…

A:

Q: 7.34 Suppose that for a given computer salesperson, the probability distribution of x = the number…

A: Given data: