The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 130, while the mean score was 72 and the standard deviation was 12. 36 48 60 72 84 96 108 Distribution of Test Scores What is the approximate percentage of students who scored higher than 108 on the test? What is the approximate percentage of students who scored between 72 and 108 on the test? What is the approximate percentage of students who scored between 48 and 96 on the test?

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: It is given that the test scores follows normal distribution with mean of 77 and standard deviation…

Q: ution of scores on the SAT is approximately normal with a mean of µ = 500 and a standard deviation…

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the top 65%…

Q: A distribution of exam scores has a mean of μ = 42. If your score is X = 46, which standard…

A: we have to find which sd will give better score.

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

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 15 Let X be a random variable…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

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

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Given that the mean score is 76 and standard deviation is 14. Consider,  μ-2σ=76-(14*2)          =48…

Q: Jim  figures that it takes an average of 17 minutes with a standard deviation of 3 minutes to drive…

A:

Q: The scores of a standardized test are normally distributed with a mean of 500 points and a standard…

A:

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A:

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

A: Solution given that  X is normal distribution with μ=100  ,σ = 15

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

A: Let "x" be the IQ score of adults Find z-value: Since the total area under the normal curve is 1.…

Q: A distribution of exam scores as a mean of µ=42. a. If your score is X=46, which standard deviation…

A: Solution: From the given information, µ=42.

Q: Renee scores an average of 153 points in a game of bowling, and her points in a game of bowling are…

A:

Q: Assume scores on an exam are normally distributed with a mean of 80 and a standard deviation of 5.…

A: It is given the mean and standard deviation are 80 and 5, respectively.

Q: Q2. A population has a mean of μ= 30 and a standard deviation of σ= 5.  If every score in the…

A: Given,

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Note: As per the guidelines, we are only allowed to solve three subparts, please post the other…

Q: The scores of students on a standardized test are normally distributed with a mean of 300 and a…

A: X~N(μ=300, σ2=402) (A) P(220<X<380)= ?  (B) P(X<260)= ? (C) P(X>a)=0.25 a= ?  Note: This…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: The given information is that the mean score is 74 and standard deviation is 15.

Q: 10. Solve the problems. Use the graph for the standard deviation points. In a fishing contest, the…

A: Given that: Mean = 16.40 in Standard deviation = 4.71 in  To determine the percent of the fish…

Q: The data on height of the female students in a class appears to be approximately normally…

A: Introduction: It is required to estimate the approximate value of the mean and standard deviation…

Q: For an audience of 600 people attending a concert, the average time on the journey to the concert…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: The graph shows the distribution of the number of text What percentage of young adults send between…

A: GivenMean(μ)=28standard deviation(σ)=30

Q: A standardized measure of achievement motivation is normally distributed, with a mean of 35 and a…

A: Given data, μ=35σ=14P(X>x)=2.5%=0.025x=?

Q: Assume that Math test scores are normally distributed with a mean of 200 and a standard deviation of…

A: The provided information is  The mean and standard deviation is  µ=200 σ=40 P(X<120)=?…

Q: The manager of a department store wants to estimate the average amount of money a customer will…

A:

Q: Historical data on the sales of gasoline for 3650 days (since the beginning of operation) of a gas…

A: Solution: Let X be the sales of gasoline. From the given information, X follows normal distribution…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: According to the empirical rule, for a Normal distribution with mean μ and standard deviation σ, 68%…

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

A: The value of z corresponding to the area 60%, i.e., p = 0.60 is  0.25, which can be obtained by…

Q: 4. The mean for the entire population of depressed people is 33.13 with a standard deviation of 5.…

A: We have given that the distribution of all depressed people is normally distributed with mean 33.13…

Q: Assume the grades on a test in a very large class are normally distributed with a mean of 72 and a…

A: From the given information using Empirical rule we find the probability.

Q: One year, the SAT verbal test had scores with a mean of 500 and a standard deviation of 100. SAT…

A: As in the given problem the data is normally distributed, so by using the Z-table I am going to…

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: From the provided information, Average (x̅) = 2.0 Coefficient of variation (CV) = 2.5% or 0.025

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The heights of adult men on an island in the Pacific are approximately normal with an average height…

A: Let x be the heights of adult men on an island in the Pacific which is approximately normal with…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Solution  Given That The graph illustrates the distribution of test scores taken by College Algebra…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: The scores on a psychology exam were normally distributed with a mean of 67 and a standard deviation…

A: The scores on a psychology exam were normally distributed with a mean of 67 and a standard deviation…

Q: The mean SAT score for 13 male highschool students is 500 and the standard deviation is 100. the…

A: Let us denote the group of males as 1st sample and group of females as 2nd sample. Hypotheses for…

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A:

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A:

Q: The quantitative part of a national exams is scaled so that the mean score is 500 and the standard…

A:

Q: In a normal curve, the percentage of the scores between one and two standard deviations above the…

A: Solution

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A:

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: Given Mean=77 Standard deviations=11

Q: The graph illustrates the distribution of test scores taken by College Algebra students. The maximum…

A: From the provided information, Mean score (µ) = 77 Standard deviation (σ) = 12 Let X be a random…

Q: Find the indicated IQ score The graph to the right depicts IQ scores of adults in the scores are…

A: The mean is 100 and the standard deviation is 15.

Q: A large group of students took a test in physics and the final grades have a mean of 70 with a…

A: Let X be the random variable from Normal distribution with mean (µ) = 70 and standard deviation (σ)…

Q: what is the z score for a person who received an SAT mathematics score of 685?

A: Here Given, The mean mathematics score for seniors who took the SAT in 2018 was 531. If the standard…

Q: The students at a college all take a standardized test scored on a scale from 0 to 100 points. The…

A:

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Formula : CV = (Standard deviation/Mean) * 100