Suppose the age a student graduates from Salem State is Normally distributed. If the mean age is 23.1 years and the standard deviation is 3.1 years, what is the probability that 6 randomly selected students had a mean age at graduation that was greater than 27?

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7000 and…

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Q: A population has a mean of 200 and a standard deviation of 25. A sample of 64 observations will be…

A: We have to find out given probabiity..

Q: population has a mean of 350 and a standard deviation of 25, determine the probability that a random…

A: GIVEN DATA, μ=350σ=25n=40p(335<x¯<375)=?

Q: If the mean height of a population of students is 68 inches with standard deviation 3 inches, what…

A: Given that      The mean height of a population of students is 68 inches with standard deviation 3…

Q: the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10…

A: We want to find probability for given data

Q: According to the Bureau of Labor Statistics, the average number of weeks an individual is unemployed…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Mathematics majors generally have one of the highest starting salaries. Suppose the average starting…

A: For Normal distribution z score = (x-μ)/σx

Q: Assume that the salaries of elementary school teachers are normally distributed with a mean $35,000…

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Q: If the probability of defective bolt is 0.1, find the mean and the standard deviation for the number…

A: Given the probability of a defective bolt is, 0.1 That is, p=0.1 The total number of bolts is, n=400…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: Suppose the age a student graduates from Salem State is Normally distributed. If the        mean age…

A: Given, mean = 23.1 Standard deviation = 3.1 We know, z = (x-mean)/std dev

Q: Suppose the probability a patient will recover from a disease following medication is 0.7. In a…

A: Given : the probability a patient will recover from a disease following medication is 0.7.  In a…

Q: Suppose the average credit card debt for Americans is $7000 and is not normally distributed with a…

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

A: Let X denote the lifespan of a laptop battery and it follows normal distribution with mean lifespan…

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: Mean = 7200 Standard deviation = 1200 Sample size = 30

Q: The average age of accountants is 43 years, with a standard deviation of 5 years. If an accounting…

A: From the given information,   Mean = 43 Standard deviation = 5 Sample size = 30

Q: Suppose that heights of women in Utah are normally distributed with a mean of 74 inches and a…

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Q: An individual golfer's scores have a mean of 90.4 and a standard deviation of 5.3. What is the…

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Q: Suppose the average age of a Tulane undergraduate is 20 years with a standard deviation of 1.2…

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Q: Suppose that the ages of all MIT students are normally distributed with mean 24.01 yrs and s.d. 5.31…

A: Given,mean(μ)=24.01standard deviation(σ)=5.31

Q: If the gondola is filled with 25 randomly selected​ skiers, what is the probability that their mean…

A: Mean = 180 Standard deviation = 44 Sample size = 25

Q: The average age of managers is 40 years. Assume the variable is normally distributed. If the…

A: Given data,μ=40σ=5P(35<X<46)=?

Q: University students' blood pressure can be expected to follow a normal distribution with a mean of…

A: Given data,μ=85σ=20If n=4P(X<90)=?

Q: Suppose the average credit card debt for Americans is $7000 and is not normally distributed with a…

A: Given information:  Population mean (u) = $ 7000  Sample size (n) = 40 Sample mean (x) = $ 6500…

Q: Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs.…

A: It is given that the mean is 245.7, the standard deviation is 34.5 and the sample size is 32.

Q: Suppose that the average number of hurricanes is 32 per year with a standard deviation of 2.8 and…

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Q: University students' blood pressure can be expected to follow a normal distribution with a mean of…

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Q: Suppose a population distribution has a mean  = 150 and a standard deviation s = 30, and you draw a…

A: Given: Mean = μ = 150 Standard deviation = σ = 30 n = 100

Q: The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the…

A: Let "X" be the average life span of NJ residents

Q: Suppose scores on an examination are normally distributed. If the examination scores have a mean 60%…

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