Find the z score for the given data A normal population with mean 25 and standard deviation 6. For a score of X = 23, what is z-score? Round z value to 2 decimals

Q: Find the IQ Score.  IQ score  0.3446 Distributed with a mean of 100 and a standard deviation of 15.…

A: Given DataMean = 100Standard deviation = 15Probability of IQ score of adults = 0.3446

Q: Show complete solution The distribution of heights of adult Filipino men is approximately Normal…

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Q: Mean 255, x is 230 and z score is -2 find standard deviation

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults in those…

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Q: IQ scores are standardized to produce a normal distribution with a mean of µ = 100 and a standard…

A: Solution: Let X be the IQ score. From the given information, X follows normal distribution with mean…

Q: what percent of values fall between 5.25 and 8.75 if the mean =9 and standard deviation =2.36

A: Answer: From the given data, Mean (μ) = 9 Standard deviation (σ) = 2.36 X follows normal…

Q: Assume that weights of men are normally distributed with a mean of 160 pounds and a standard…

A: Given, Weights of men follows normal distribution with mean 160 pounds and standard deviation 25…

Q: Find the z-score for the value 69, when the mean is 96 snd the standard deviation is 5. z-score= ?

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Q: A succesful basketball player has a height of 6 feet 4 inches or 193 cm based on statisc from data…

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Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

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Q: IQ scores are normally distributed with a mean of 100 and standard deviation 16. Calculate the…

A: The question is about normal dist. Given : Popl. mean of scores ( μ ) = 100 Popl. std. deviation of…

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: We have given that the scores are normally distributed with mean 100 and standard deviation 15.

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

A: Given Information: Mean μ=69.0 inches Standard deviation σ=2.8 inches. To find the z-score of a man…

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

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Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A: It is given that the mean is 16.5 lbs and standard deviation is 2.5 lbs.

Q: A normal population has mean u=56 and Standard deviation o=8. What is the 85th the population?…

A: We have given that  Mean, μ = 56 Standard deviation, σ = 8

Q: What is the corresponding Z score ? Mean is 70, standard deviation is 10 and X= 89

A: We have to find z score.

Q: In a standardized exam the mean score is 400 with a standard deviation of 50. Assume the scores…

A: Solution

Q: What proportion of scores of a normal distribution is less than  z = - 2.15?

A: Obtain the proportion of scores of a normal distribution is less than z = – 2.15. The proportion of…

Q: What proportion of the scores in a normal distribution falls below z= -1.32?

A: Let X ~ N(0,1). Then, P(X<-1.32)=P(X>1.32)  [ As X is symmetric about…

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: By empirical rule, 68% of data falls within one standard deviation. Thus, based on given info,…

Q: Change z-score (-2.00) into X value – Mean = 50, standard deviation = 10

A: Standard normal distribution: The standard normal distribution is a special case of the normal…

Q: isn't it should use the normal table to find z value?

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Q: The mean score in a test is normally distributed with mean 30 and standard deviation 10. What is…

A: Given :  Mean, μ = 30 standard deviation, σ = 10 x = 55

Q: The distribution of scores is approximately normal with a mean of 31 and a standard deviation of 5.…

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Q: After a snow storm, the depth of snow in my yard is normally distributed with mean 4.5 inches and…

A: The mean is 4.5 and the standard deviation is 0.25 inches.

Q: A distribution of values is normal with a mean of 187.9 and a standard deviation of 71.2. Find P80,…

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Q: Which average is affected most by extreme values Oa. Median O b. Arithmetic Mean OC. Mode Od.…

A: Median is the middle-most value of the sorted data. Removing extreme values does not affect much the…

Q: ENG 342 fınal exam of last semester has a mean score of 78 and a standard deviation of 8. Sally's…

A: Given,mean(μ)=78standard deviation (σ)=8Z-Score=1.5

Q: HumanPregnancy Norm STEM Assume that the length of human pregnancies from conception to birth varies…

A: Mean(µ) = 266 Standard deviations (σ) = 16 X ~ N (µ, σ )= N ( 266,16)

Q: what percent of values fall between 5.25 and 8.75 if the mean =7 and standard deviation =1.75

A: Mean=7 Standard deviations=1.75

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 16.5 and…

Q: what percent of values fall between 5.25 and 8.75 if the mean =5 and standard deviation =1.86

A: Answer: From the given data, Mean (μ) = 5 Standard deviation (σ) = 1.86 X follows normal…

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

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