Suppose that scores on a particular test are normally distributed with a mean of 110  and a standard deviation of 15. What is the minimum score needed to be in the top 2% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place.

Q: suppose that you hav e set of data that has a mean of 34 and a standard deviation of 6. a. is the…

A: Given: A data set has a mean of 34 and a standard deviation of 6.

Q: A statistics teacher believes that the final exam grades for her business statistics class have a…

A: Given Normal distribution with  Mean =82   SD =8 We have to answer for mentioned questions

Q: Wyatt earned a score of 670 on Exam A that had a mean of 750 and a standard deviation of 50. He is…

A: Here both exam A and exam B are normally distributed. We need to find the marks required in exam B…

Q: The mean life of pairs of shoes is 40 months with a standard deviation of 8 months If the life of…

A: The random variable X is the life of shoes It is normally distributed. The mean life of the pair of…

Q: Section 1. IQ tests supposedly measure our intelligence. They typically are 'normed' so that they…

A: We have given that  Mean = 100 Standard deviation = 15

Q: F. For the following data set, complete the table and determine the mean, median, mode and standard…

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Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

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: In a certain normally distributed set of scores, the score two standard deviation below the mean is…

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Q: the score of ryan in English is 1 unit standard deviation above the mean. His score in Mathematics…

A: Given information Z score=1 for English Z score=0.5 for Mathematics

Q: Laura learned that the average GPA in her school is 3.6 with a standard deviation of 0.3. If her GPA…

A: From the given information,   Mean = 3.6 Standard deviation = 0.3   The objective is to find the…

Q: he scores on a psychology examination are normally distributed with a mean of 70 and a standard…

A: Solution:  Let X be the scores on psychology examination are normally distributed with mean of μ= 70…

Q: Last year, the mean salary of accounting clerks was $29932. If we assume that the annual salaries…

A: Given Data: Let X represent the random variable   X~ Normal (29932, 18502)

Q: Nick takes a Organic Chemistry test and scores a 40. The Chemistry test scores were normally…

A: Given The data is as follows: Nick's organic chemistry score, X=40 μ=50σ=4   Sally's physics…

Q: Scores on a test have a mean of 8181 and a standard deviation of 1313. Michael has a score of 9393.…

A:

Q: he director of research and development is testing a new medicine. She wants to know if there is…

A: Here it is given that- Total number of samples(n) = 34 Mean(x)¯ = 320 Standard deviation(δ) = 24

Q: The scores on two standardized tests are normally distributed. The first test had a mean of 50 and a…

A: Let I will need score = k on the second test to equal a score of 62 on the first test.  z score of…

Q: Write down the formulas for the standard deviation of x.

A: The formula for the sample standard deviation can be written as: Here, n is the sample size and x̅…

Q: The following table shows the number of people that have either 0, 1, 2 or 3 cars registered in…

A: The provided information is as follows:The total number of samples is .The data is given as…

Q: acher wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will…

A: Given that  A teacher wishes to give  A’s to the top 8%  of the students F’s to the bottom 8% of the…

Q: Suppose a friend tells you that the average length of trout caught in pyramid lake is u=19 inches.…

A: Given information Hypothesized mean = 19 Sample Standard deviation = 3.5 Sample mean = 18.6 Sample…

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: As per company guidelines, I solved exactly three subparts of the question. Given data: 42, 41, 39,…

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

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Q: Assume that adults have IQ scores that are nomally distributed with a mean of u= 100 and a standard…

A: It is given that the mean is 100 and standard deviation is 15.

Q: The manager at UPS feels that the weights of packages shipped recently are less than in he past.…

A: Given  Population mean μ=36.7, standard deviations σ=14.2, level of significance=0.01, n=64, sample…

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

A: Let X denote the IQ scores of adults. Given that X follows N(mean = 105, SD = 20), then Z = (X -…

Q: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

A: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

Q: DECIMAL FORM: 15 17 18 19 20 21 22 23 24 P(X) 0.03 0.09 0.18 0.18 0.15 0.26 0.6 0.03 0.03

A: Formula used.  E(x)= ∑x×p(x) E(x2 )=∑x2 ×p(x) Var(x)=E(x2 ) - [E(x)]2

Q: Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14.…

A: Question: Suppose that the hemoglobin levels among healthy females are normally distributed with a…

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 213  and a standard…

A: For a sample point x, the corresponding z-score is given by    z = (x - )/ Where,  = mean of the…