A population of values has a normal distribution with �=138 and �=31.6. Find the probability that a single randomly selected value is between 133.2 and 135.7. Round your answer to four decimal places.�(133.2<�<135.7)=    Find the probability that a randomly selected sample of size �=229 has a mean between 133.2 and 135.7. Round your answer to four decimal places. �(133.2<�<135.7)=

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A: Given Information: Mean μ=100 Standard deviation σ=15 Sample size n=20

Q: The amount of time students study for a test is normally distributed with a mean of 3 hours and a…

A: Mean=μ=3Standard.deviation=σ=1.8Samplesize=n=30

Q: A distribution of values is normal with a mean of 123.2 and a standard deviation of 62 Find P35,…

A: Given: A distribution of values is normal with  μ=123.2 , σ=62

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A:

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated. The…

A: Given that  Sample size n =9 Population standard deviation =3

Q: Scores for a standardized test are normally distributed with a mean of 1200 and a standard…

A: given data μ = 1200σ = 60 normal distributionn = 64P(1200&lt;x¯&lt;1214) = ?

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A:

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A:

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A:

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A: We have to find sample variance s2  and sample standard deviation...

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A: Given Information: Mean μ=110 Standard deviation σ=60 To find the approximate percentage that a…

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A: The IQ scores have a bell shaped distribution with a mean of 101 and a standard deviation of 17.

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A:

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A: Given that  10 facility  8 administrators  8 committee  We have to find mean and standard deviation…

Q: Average words in a romance novel is 64,253 and the standard deviation is 17,467 assuming the…

A: μ = 64253σ = 17467

Q: A population of values has a normal distribution with �=138 and �=31.6. Find the probability that a…

A: The objective of the question is to find the probability of a single randomly selected value and a…

Q: The average score of all golfers for a particular course has a mean of 70 and a standard deviation…

A: μ=70,σ=4.5,n=81

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A: From the provided information,

Q: Average ACT = 540 with a standard deviation of 134. What is the probability that a high school…

A: X~N( μ , ?)μ=540     , ?=134Z-score =( x - μ )/?

Q: The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A: GivenMean(μ)=6.04standard deviation(σ)=0.21Sample size(n)=33

Q: Determine the probability of seeing a Z score of -5.28 or one with a larger absolute value.

A: Z = -5.28 P( Z &gt; -5.28) = 1 – P(Z &lt; -5.28) = 1 – 0 = 1 P(Z &lt; -5.28) = 0 (From Excel…

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A:

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A:

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A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

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A: From the provided information, Mean (µ) = 72 Standard deviation (σ) = 9 X~N (72, 9)

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A: Population Mean,μ = 4.2Population Standard Deviation,σ = 2.8sample size n = 100Want to find out the…

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A:

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A: Given,mean(μ)=527standard deviation(σ)=112

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A: The objective of the question is to find the probability of a single randomly selected value being…

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A: Normal distribution

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A:

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A: The objective of the question is to find the probability of a single randomly selected value being…

Q: TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013…

A: given  mean μ=2.24 standard deviation σ=1.2 n=80

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A:

Q: In a normal distribution, what percentage of scores falls below and score of -2.33

A:

Q: A population of values has a normal distribution with �=168.4 and �=78.7. Find the probability that…

A: The given data is as follows:Population mean, Population standard deviation,

Q: A population of values has a normal distribution with �=218.4 and �=61.1. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: A population of values has a normal distribution with �=196.5 and �=96. Find the probability that a…

A: From the provided information,

Q: A division-wide aptitude test was conducted on 10 000 pupils. the mean of the test is 58 and…

A: Given, A division-wide aptitude test was conducted on N=10 000 pupils. The test, The scores also…

Q: The height of men in the United states fits with a normal distribution with a mean of 70 inches and…

A:

Q: The grades in statistics of the students are normally distributed with a mean of 78 and a standard…

A: Given:  Population mean μ=78 Population standard deviation σ=7 Confidence interval = 0.54 Here,…