In a particular examination, the mean score is 82 and the standard deviation is 3.7. What is the Z- score of a particular student whose score is 91? Select the correct response: 1.89 2.22 O 2.94 2.43

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: On a nationwide math test, the mean was 75 and the standard deviation was 7. If Roberto scored 70,…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: At the shot put event the mean was a throw of 44.22 feet, with a standard deviation of 3.65 feet.…

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Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 70,…

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Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

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Q: A successful basketball player height is 203 cm. His converts to the z score of 4.10. How many…

A: Consider, X = 203  z-score = 4.10 z-score is a numerical value that tells the number of standard…

Q: On a nationwide math test, the mean was 57 and the standard deviation was 10. If Roberto scored 80,…

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Q: The mean grade on a science test was 79 and there was a standard deviation of 6. If your sister…

A: The z score explains the deviations of the observations from the mean. It is calculated using the…

Q: A successful basketball player has a height of 6 feet 2 ​inches, or 188 cm. Based on statistics from…

A: Given the Z score of height of basket ball player is 1.95. The original height of the basket ball…

Q: Assume that men's heights are normally distributed with mean 69.2 inches and standard deviation 2.9…

A: Let x be the heights of men's which follows normal distribution with mean 69.2 inches and standard…

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: On a nationwide math test, the mean was 63 and the standard deviation was 10. If Roberto scored 85,…

A: GivenMean(μ)=63standard deviation(σ)=10score(x)=85

Q: Scores for a civil service exam are normally distributed, with a standard deviation of 8. To be…

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Q: A Population has a Mean of 90 and a standard deviation of 25.  A sample of 20 college students is…

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Q: On a spelling test, the standard deviation is equal to 0.94. What does this mean

A: We know that the Standard deviation tells us that how much data is scattered around the mean value…

Q: Determine the number of standard deviations from the mean (z-score). In the United States, the…

A: Given mean female height = 64 inches and standard devaiton = 3 inches.The distance of a data point…

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

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Q: What raw score does he need to get the certificate

A: Given that Mean = 83 And SD = 3.2

Q: A test is used to assess readiness for college. In a recent​ year, the mean test score was 20.620.6…

A: According to the provided data, the mean test score is 20.6 with a standard deviation is 4.9. The…

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 70,…

A: Given that,Mean = 72Standard deviation = 7And X=70

Q: 500 freshmen at Prairieville High School took an algebra test.  The scores were normally distributed…

A: According to the Bartleby guidelines experts solve only one question and maximum three subparts…

Q: The heights of women aged 18 to 24 are approximately normal with a mean of 65 inches and a standard…

A: Given that  X~N(μ= 65 , σ= 2.5 ) μ= 65 , σ= 2.5 Formula for Z-score Z=(X-μ)/σ

Q: The mean height of a basketball team is 6 feet with a standard deviation of 0.2 feet. The team's…

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Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 85,…

A: We have given the mean and standard deviation of a nationwide math test.Mean μ = 51Standard…

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: What is the percentile rank for a student who scored 74 on a softball rules test if the class mean…

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Q: art professor gives an A to any student in the top 9% of the distribution. The grades are normally…

A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

Q: Use z scores to compare the given values.   The tallest living man at one time had a height of 225…

A: Given that  The tallest living man at one time had a height of 225 cm. The shortest living man at…

Q: Jake needs to score in the top 10% of his class to earn a physical fitness certificate.  The class…

A: Solution: The class mean is μ= 78, and the standard deviation is σ= 5.5.

Q: The mean composite score for seniors who took the SAT in 2010 was 1068. If the standard deviation…

A: From the provided information, Mean (µ) = 1068 Standard deviation (σ) = 100

Q: On a nationwide math test, the mean was 57 and the standard deviation was 4. If Roberto scored 90,…

A: Formula for z-score is

Q: The weekly revenue earned by a certain restaurant has a mean of $118,500 and a standard deviation of…

A: GivenMean(μ)=118500standard deviation(σ)=16800

Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?

A:

Q: a nationwide math test, the mean was 60 and the standard deviation was 7. If Roberto scored 85, what…

A: Given data,Mean μ=60sd    σ=7 If Roberto scored 85z-score=?

Q: On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what…

A: Given data,Mean μ=72sd      σ=7If John scored 75z-score=?

Q: A population has a Mean of 100 and a standard deviation of 15.  A sample of 20 college students is…

A: Given information- Population mean, µ = 100 Sample mean, x-bar = 125 Population standard deviation,…

Q: Pearson publishes textbooks each semester and the mean number of textbook pages published by Pearson…

A: Given data,μ=568σ=150P(X>733)=?

Q: In the Social Psychology course, you receive a score of 77 on the second exam. You are told that the…

A: Solution: Let X be the score. From the given information, X=77, σ=8 and z=–0.75.

Q: Beth scored 88 on a nutrition test.  The class mean was 81 and the standard deviation was 3.2.  What…

A: Mean = μ = 81 Standard deviation = s = 3.2 Where, X= 88