The distribution of scores on a standardized aptitude test is approximately normal with a mean of 510 and a standard deviation of 95. What is the minimum score needed to be in the top 15% on this test? Carry your intermediate computations to at least four decimal places, and round your answer to the nearest integer. X S

Q: f your score on your next statistics test is converted to a z​ score, which of these z scores would…

A: The given z-scores are -2, -1, 0, 1, 2.

Q: A group takes a Personality test of Extraversion and they all take the test. They find that the…

A: It is given that the mean and standard deviation are 50 and 10, respectively.

Q: Find the mean value if y 1+x? between x-0 and x-1

A: Given function, y=11+x2

Q: When a Calculus professor is determining the curve for her final exam, she finds that the mean score…

A: Z= x-μσ~N(0,1)

Q: In population of high school students algebra scores, the mean is 64 and the standard is 6. Find the…

A: Here mean is 64 and standard deviation is 6.

Q: 3. In a set of scores that are normally deviationsbelow the mean is 11.4 and the score three…

A: We have given that,  Let μ be the mean and σ be the standard deviation from the normal distribution.…

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

A: Given,mean(μ)=100standard deviation(σ)=15and z-score=0.7

Q: The human population has a mean IQ score of u = 100 and a standard deviation of a = 15. Find the…

A: Normal distribution : It is a continuous probability distribution that is symmetric and occurs in…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: Let "X" be the IQ score of the adults.

Q: What is the sample mean of SAT-V? (Round to the hundredth place if it is necessary.) 2. Can the…

A:

Q: Determine the Coefficient of Variation of a data set given the x̅= 2.54 and s = .74. Round to the…

A: GivenMean(x)=2.54standard deviation(s)=0.74

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

A: Given information Mean = 100 Standard deviation = 15 P(X > x) = 0.65 P(X < x) = 1 – 0.65 =…

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: Scores on the SAT form a normal distribution with a mean of µ = 500 and standard deviation of σ =…

A: Given Mean(μ)=500standard deviation(σ)=100

Q: Scores range from 0 to 200. The mean for Canadian college students is about 115, and the standard…

A: The given data is as follows:Population mean, Population standard deviation, Sample size, Sample…

Q: To find an 88% confidence interval for mean body temperature of healthy US adult women using the…

A: Sample mean, x¯ = 98.382 sample standard deviation = s = 0.712 sample size, n = 50 Here the sample…

Q: Tign pres of adults, and res are normally distributed with a mean of 100 and a standard deviation of…

A: Population mean=100 , population standard deviation =15

Q: Refer to the figure at the right. At a= 0.10, can you reject the claim that the proportion of 18 to…

A: Denote p1, p2 as the true population proportions of 18-24-year-olds men and women, who living in…

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

A:

Q: The mean and standard deviation for the final exam in Dr. Fudd's class were as follows: mean = 86…

A: Given that  Mean = 86  ,  Standard deviation = 3  Bugs scored = 88

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: GivenMean(μ)=0standard deviation(σ)=1

Q: None

A: First, we need to find the probability between 73 and 86 and then use this to find the number of…

Q: Perform at-test (signiticance level a - 0.05) to test your null hypothesis and compare diastolic…

A: Introduction:  To tests, the equality of the two population means we can use the two-sample t-test.…

Q: A normal population has mean u = 58 and standard deviation o = 8.. What is the 83rd percentile of…

A: Here we need to find the 83rd Percentile of the given normal distribution.

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

A:

Q: A large group of students took a statistics test.               The mean score, from the scale of…

A:

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

A:

Q: Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57.…

A: Given,          Mean μ=66          Standard deviationσ=9          Michelle has a score X=57

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.Find z-score (z):Required Shaded area = Area of 0.2119 to the right of z…

Q: d. Find the​ p-value for the test.   ​p-value=enter your response here ​(Round to three decimal…

A: The p-value is the probability value and it obtained from the test statistic. And this p-value would…

Q: Find the standard deviation of the set of data below. y+1, y+2, y+5, y+9, y+8.

A:

Q: Interpret the Z score for a student who scored an 91 on an exam that had a mean of 86 and a standard…

A:

Q: The scores on the Accuplacer test and High School GPAS are normall The Accuplacer test had a mean of…

A: Given data,For AccuplacerMean μ=35sd    σ=9Score is x=56For Highshool GPAMean μ=2.8sd    σ=0.2

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

A:

Q: A distribution of values is normal with a mean of 190 and a standard deviation of 4. Find the…

A: Given: Population mean μ= 190 Standard deviation σ= 4