7) Automobile Repair Costs. Automobile repair costs continue to rise with an average 2015 cost of $367 per repair (U.S. News & World Report website). Assume that the cost for an automobile repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobile repairs.   What is the probability that the cost will be more than $450? What is the probability that the cost will be less than $250? What is the probability that the cost will be between $250 and $450?

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A: given datanormal distributionμ = 204σ = 55P(x>225) = ?

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A:

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A: Given,mean(μ)=$88standard deviation(σ)=$24

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A:

Q: Part D please

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A: Standard deviations=σ=2.8532 k=3.25

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A:

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A: GivenMean(μ)=258standard deviation(σ)=35sample size(n)=76

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A: PART A SOLUTION:Step 1: Determine What is AskedWe are given that the mean score for U.S. college…

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…

A: given data normal distribution population mean  = 600 population sd = 20

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A:

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A: Suppose the random variable x defines the soft drink machine output.

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A: given data normal distributionμ = 89σ = 24P(53<x<125) =?

Q: please help .

A:

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Q: examples of a normal distribution questions.

A: 1)

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Q: The probabilities that a person is receiving a chat message 0, 1, 2, 3, 4, or 5 per day are the…

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Q: According to the Centers of Disease Control and Prevention (CDC), the aging of the U.S. population…

A: GivenAn average person makes four visits a year to doctor's offices and hospitalsλ=412        i.e.,…

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Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.