The scores on a driver's test are normally distributed with a mean of 100. Find the score that is 3 standard deviations above the mean, if the standard deviation is 28. A. 128 В. 156 С. 103 O D. 184

Q: . A population has a mean of  80 and a standard deviation of  20. a. Would a score of X 70 be…

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A: In a college class, the average IQ is 115. Assume that the distribution is normal and that the…

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A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The mean of a set of data is 108.06 and its standard deviation is 115.45 What is the z score for a…

A: Z-score = 3.3045 answer.

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A: We have to find mean and sd.

Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 38 beats…

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Q: The scores on a mathematics exam have a mean of 71and a standard deviation of 8. Find the x-value…

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Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 32 beats…

A: Provided data is, certain data set of the pulse rates for a sample of adult​ females, the lowest…

Q: For Jimena to be accepted into her favorite college, she will have to earn an entrance exam score at…

A: The exam scores are normally distributed with the mean, μ=790, and standard deviation, σ=50. Now, it…

Q: he scores on a psychology examination are normally distributed with a mean of 70 and a standard…

A: Solution:  Let X be the scores on psychology examination are normally distributed with mean of μ= 70…

Q: For an exam with a mean of μ = 84 and a standard deviation of σ = 6, Mary has a score of X = 93,…

A: GivenMean(μ)=84standard deviation(σ)=6

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A: We have to find the standard deviation of this set ...

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A: It is given that mean is 64 and standard deviation is 10.

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Q: The mean difference equals 1.2, the standard deviation of the difference equals 1.5, and n equals…

A: It is given that mean difference is 1.2, the standard deviation of the difference is 1.5 and the…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 35 beats…

A: Since, we are allowed to answer three sub-parts at a time so we are answering the first three as you…

Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 33 beats…

A: Given that, (a) The difference between the pulse rate of 33 beats per minute and the mean pulse…

Q: If the mean score on the final exam is 70 with a standard deviation of 10 then the test score of a…

A: Given Mean =70 Standard deviations=10 Z=-1.5

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Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 31 beats…

A: Given: Lowest pulse rate is 31 beats per minute.            Mean of the listed pulse rate is x=79.…

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A: As per Bartleby guidelines, we are allowed to answer three sub-parts :

Q: A value of 104.2 would be how many standard deviations above the mean, given a mean of 100, and a…

A: Solution: From the given information, µ=100 and a standard deviation σ=5.6.

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A: 3.  Assume that the heights of 400 basketball players are normally distributed with a mean of 175 cm…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 33 beats…

A: The question is about std. normal distribution Given : Lowest pulse rate ( x ) = 33 beats per minute…

Q: A distribution of exam scores has a mean of u=80. If your score is X=72, which standard deviation…

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Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

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Q: For a population with a standard deviation of σ = 14, a score of X — 24 corresponds to z — 0.50.…

A: Given that, The population standard deviation (σ ) is 14 The score of X is, 24 The z-score is,…

Q: Brooklyn earned a score of 850 on Exam A that had a mean of 550 and a standard deviation of 100. She…

A: Here we are to assume that scores on each exam are normally distributed.   For exam A, Brooklyn…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 36 beats…

A: lowest Pulse rate = x = 36 Mean = μ = 75 std dev = s = 25.8

Q: In a population with a mean of μ = 50 and a standard deviation of σ = 10, would a score of X = 58 be…

A: Given in a population with a mean of μ=50, and a standard deviation of σ=10, a score of X=58

Q: Can you assist me in answering this? (this is not graded but, rather, an excersice conducive to…

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Q: A scientist found that the lengths of a certain population of snakes can be reasonably described…

A: The normal distribution  in the center is generally denser and basically less dense at tails. There…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 39 beats…

A: It is given that the mean is 78.0 and the standard deviation is 20.7.

Q: A student scored 76 on a general science test where the class mean and standard deviation were 82…

A: For Science x¯=82s=8x=76 z=x-x¯s=76-828=-0.75

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

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Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 33 beats…

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a…

Q: The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

A: Ans#- Given, The length of pregnancies are normally distributed with a mean μ = 266 days…

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 31 beats…

A: Note: As per our policy we can answer only three sub parts. kindly repost the remaining sub parts.…

Q: A distribution of exam scores has a mean of μ= 80. If your score is X = 72, which  standard…

A:

Q: . A professor finds that the grades in a large class are normally distributed. The mean of the…

A:

Q: Here * denotes the lost values. If it was known that the mean of the marks was 56 and the standard…

A: The combined mean is given by

Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 31 beats…

A: x̅ = mean pulse rate = 79.0 beats per minute s =  standard deviation of pulse rate = 14.7 beats per…

Q: given distribution has a population mean, μ, of 116 and a population standard deviation, σ, of 11.…

A: Here we want to calculate z score from the given information.

Q: For a data set of the pulse rates for a sample of adult females, the lowest pulse rate is 33 beats…

A:

Q: Suppose the main percentage in algebra is 70% and the standard deviation is 8% What percentage of…

A: Given,  mean value(μ) =70%  standard deviation(σ) = 8%Z=x-μσZ1=62-708=-1Z2=94-708 =3