A distribution of values is normal with a mean of 235 and a standard deviation of 14.4. Find P63, which is the score separating the bottom 63% from the top 37%.

Q: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

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Q: A distribution of values is normal with a mean of 46.3 and a standard deviation of 75.1. Find P39,…

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Q: A distribution of values is normal with a mean of 123.2 and a standard deviation of 62 Find P35,…

A: Given: A distribution of values is normal with  μ=123.2 , σ=62

Q: On a recent quiz, the class mean of 74 with the standard deviation of 3.9.  calculate the z-score…

A: Given data  μ = 74σ = 3.9x1 = 95x2 = 70

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: The average weight of adult females is 166.3 pounds, with a standard deviation of 14 pounds and a…

A: According to the given information in this question We need to find the standardized score for…

Q: Find the​ z-score for the value 87​, when the mean is 82 and the standard deviation is 8. A. z=−0.96…

A: Given,mean(μ)=82standard deviation(σ)=8and the value(x)=87

Q: Test scores for a history class had a mean of 89 with a standard deviation of 8.9. Suppose a student…

A: According to the given information, we have Mean = 89 Standard deviation = 8.9 Raw score = 67

Q: The class mean for the exam was 82 with a standard deviation of 6.  There are 37 students in the…

A: We have given that, Mean = 82 , standard deviation σ = 6  sample size n = 37   Standard error of the…

Q: Use z scores to compare the given values. In a recent awards ceremony, the age of the winner for…

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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: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

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

Q: The Final exam average for an Biology class is normally distributed with a mean of 58% and a…

A: From the provided information, Population size (N) = 2051 students Mean (µ) = 58% Standard deviation…

Q: a bank's loan officer rates applicants for credit. the ratings are normally distributed with a mean…

A: We have to find 60th percentile.

Q: A set of population data has a mean of 520.4 and a standard deviation of 66.9. Calculate the z-score…

A: From the provided information,Mean (µ) = 520.4Standard deviation (σ) = 66.9

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

A: Let X denote the scores on a mathematics exam and it follows normal distribution with mean of…

Q: The mean score on the ACT test was 23.7 and the standard deviation was 5.8. The distributions of…

A: Given: Mean = μ = 23.7 Standard deviation = σ = 5.8

Q: The distribution of the weights of dogs at a local rescue shelter is Normal, with a mean of 38…

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Q: A distribution of values is normal with a mean of 141.6 and a standard deviation of 44. Find P65,…

A: Given Information: Mean μ=141.6 Standard deviation σ=44 To find Percentile P65: Using a standard…

Q: Use z scores to compare the given values.   In a recent awards​ ceremony, the age of the winner for…

A: Given : x¯actor = 45.5 sactor = 6.7 xactor = 34 x¯actress = 32.7 sactress = 10.2 xactress = 45 Z = x…

Q: se z scores to compare the given values.   In a recent awards​ ceremony, the age of the winner for…

A: Given: the age of the winner for best actor =29 the age of the winner for best actress=45 For best…

Q: Overweight Men For a random sample of 60 overweight men, the mean of the number of pounds that they…

A: From the provided information, Sample size (n) = 60 Sample mean (x̄) = 31 pounds Standard deviation…

Q: A distribution of values is normal with a mean of 163.1 and a standard deviation of 74.5.

A: From the given information, the mean is 163.1 and standard deviation is 74.5. Need to fine P12. That…

Q: A distribution of values is normal with a mean of 204.2 and a standard deviation of 39.2. Find P84,…

A: Given: A distribution of value is normal with mean of 204.2 A standard deviation of 39.2 It is…

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

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Q: distribution of values is normal with a mean of 131 and a standard deviation of 37.2. Find P56,…

A: We have the  Mean = 131 Standard deviation= 37.2 We have to find p56.

Q: The golf scores for a school team were normally distributed with a mean of 68 and a standard…

A: Let X be the golf scores. It is given that X is normally distributed with mean 68 and standard…

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: Find P33,

A: Let , X→N(μ=40.5 , σ=53.3) Our aim is to find the P33

Q: recent awards​ ceremony, the age of the winner for best actor was 33 and the age of the winner for…

A: Given that  For all best​ actors, the mean age is 44.6 years and the standard deviation is 8.3…

Q: Records on a fleet of trucks reveal that the average life of a set of spark plugs is normally…

A: Sample size=n=18Sample mean=x̄=23400,Sample standard deviation=s=1412 Population mean=µ=22100Level…

Q: Grace has a dog and its weight is z = -0.5lbs.  Her current weight is 47 lbs.  The average weight…

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Q: Adult women in the U.S. have a mean height of 64.3", with a standard deviation of 2.58 inches.…

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Q: A set of data on electricity bills for last month showed a mean of $310.50 and a standard deviation…

A: We have given that.   X~N( μ , ?^2 )   μ = 310.50, ? =30.60   Z-score =( x - μ )/?

Q: A distribution of values is normal with a mean of 202 and a standard deviation of 91.5. Find P75,…

A: Obtain the score separating the bottom 75% from the top 25%. The score separating the bottom 75%…

Q: At a college, the mean height of women is 63 inches with the standard deviation of 3 inches. What is…

A: Given,mean(μ)=63standard deviation(σ)=3

Q: Use z scores to compare the given values. In a recent awards ceremony, the age of the winner for…

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Q: In a population, the data value 180 has a z score of -0.8. The standard deviation of this population…

A: The question is about z score.Given :Raw value ( x ) = 180z score = -0.8Standard deviation of the…

Q: Use z scores to compare the given values

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Q: Based on data from a​ college, scores on a certain test are normally distributed with a mean of 1531…

A: In question, Given that data from a​ college, scores on a certain test are normally distributed with…

Q: Use z scores to compare the given values. ages are dotards ceremony, the age of the winner for best…

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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.