The length of time, L hours that a phone will work before it needs charging is normally distributed with a mean of 100 hours and a standard deviation of 15 hours. Find the value of d such that P(L < d) = 0.1 O a. 119.2 O b. 1.19 O c. 120.2 O d. 1.2

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A: Given  mu=mean=1, sd=1 Note: this probability value calculated from standard normal table.

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A:

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A: Given data, Mean=0 sd=1 P(X&lt;x)=0.67 x=?

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A: From the provided information, Sample size (n) = 12 Sample mean (x̅) = 15.65 Standard deviation (s)…

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A: The formula of standard error for the mean is,

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A: According to the given information, we have Mean = 850 hours Standard deviation = 90 hours

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A: Given,p=0.05n=1900

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Q: A)Calculate the standard error when o=12 and n=4 B) A sample of n=36 nursing students scored a mean…

A: A) Here o = 12 and n = 4 standard error = on= 124=122=6∴Standard error = 6 B) Here given , n=36 and…

Q: Q2: The line width of for semiconductor manufacturing is assumed to be normally distributed with a…

A: Please see the attachment

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A: Givensample size(n)=81Mean(x)=8.5standard deviation(s)=2.5

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A: From the given information, Assume that z-scores are normally distributed with a mean of 0 and a…

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Q: The length of time, X hours that a phone wvill work before it needs charging is normally distributed…

A: Given : Mean  , μ = 120 , Standard deviation , σ = 20

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A: Given: Mean (µ) = 0oC Standard deviation (σ) = 1.000C X~N (0, 1)

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Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

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A: Given data isMean(μ)=20standard deviation(σ)=3

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A: Normal distribution

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A: Sorry! According to our guidelines, we can answer only one question at a time. Kindly re-post the…

Q: The length of time, X hours that a phone will work before it needs charging is normally distributed…

A: See the handwritten solution

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A: Given,sample size(n)=25mean(μ)=12.5standard deviation(s)=1

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A: X: the line width for semiconductor manufacturing. X has normal distribution X~N(μ,σ) μ=0.45…

Q: If X is normally distributed with mean of 60 and standard deviation of 5. What is the P(55<X<65)?…

A: From the provided information, Mean (µ) = 60 Standard deviation (σ) = 5

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

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Q: The Credit Risk Department of a major bank estimates the default rate on loans under $10,000 to be…

A: GivenThe Credit Risk Department of a major bank estimates the default rate on loans under $10,000 to…

Q: Suppose that X is normally distributed with a mean of 40 and a standard deviation of 15. What is P(X…

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Q: If X is normally distributed with mean of 100 and standard deviation of 10. What is the P(70<X<130)?…

A: We have fine givan normal distribution..

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: According to the provided information,

Q: P87 = °C

A: Let , X→N(μ=0 , σ=1) We want to find the P87

Q: The heights of male MIAT student are normally distributed with mean 1.7 m and standard deviation 0.2…

A: According to the given information, we have Mean = 1.7 Standard deviation = 0.2

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.