A highly selective boarding school will only admit students who place at least 1.5 standard deviations above the mean on a standardized test that has a mean of 100 and a standard deviation of 26. What is the minimum score that an applicant must make on the test to be accepted? ..... The minimum score that an applicant must make on the test to be accepted is

Q: e in the upper 2.5% of admission test scores in order to qualify for a very competitive nursing…

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the top 2.5%…

Q: On a final  examination in mathematics , the mean was 72  and standard deviation was 15 . Determine…

A: given information: μ=72σ=15x=65 we want to determine the z score . z=x-μσ  =65-7215  =-0.4667

Q: One of the undersecretaries of the Department of Labor and Employment (DOLE) claims that the average…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The mean marathon finishing time for men and women was 268 minutes and 280 minutes respectively.…

A: From the given information, The mean marathon finishing time for men and women was 268 minutes and…

Q: The National Center for Health Statistics reports that the average systolic blood pressure for males…

A: Here, The claim to be tested is "The medical director of a large company believes the average…

Q: A large number of applicants for admission to graduate study in business are given an aptitude test.…

A:

Q: An admissions officer wanted to know if there was a difference in mean GPA between college…

A: Given Information: An admissions officer wants to know if there was a difference in mean GPA between…

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: The results of a common standardized test used in psychology research is designed so that the…

A:

Q: If gasoline in a certain part of the country has a mean price of $1.62 per gallon and a standard…

A: From the given information, Mean = $1.62 gallon Standard deviation =8 cents =$0.08 gallon (since 100…

Q: To qualify for a police academy, applicants are given a test of physical fitness. The scores are…

A: Obtain the cut off score for the top 20% of the applicants are selected. The cut off score for the…

Q: A physician routinely makes physical examinations of children and is concerned that a three-year-old…

A: The known values are, Use the Range Rule of Thumb, the minimum usual heights of three-year-old…

Q: Second Hand Smoke: Cotinine levels were measured in a group of 40 non-smokers exposed to tobacco…

A:

Q: In preparation for the upcoming school year, a teacher looks at raw test scores on the statewide…

A: Let Z be the standard normally distributed random variable with mean 0 and standard deviation 1.

Q: A psychologist believes that it will take at least an hour for certain disturbed children to learn a…

A:

Q: A person must score in the upper 2% of the population on an IQ test to qualify for membership in…

A:

Q: The combined math and verbal scores for students taking a national standardized examination for…

A: GivenMean(μ)=810standard deviation(σ)=280

Q: .A person must score in the upper 2% of the population on an IQ test to qualify for membership in…

A: As per the guidelines we are allowed to solve maximum of 1 question. If you need help with other…

Q: If a set of grades for a class has a large range and a small standard deviation, what can you say…

A: It is given that a set of grades for a class has large range and a small standard deviation.

Q: for a population with a standard deviation of 5 and mean of 48, draw a bell shaped curve, marking…

A: Given data, Mean=48 sd=5 Draw a bell shaped curve?

Q: A large number of applicants for admission to graduate study in business are given an aptitude test.…

A:

Q: A person must score in the upper 0.15% of admission test scores in order to qualify for a very…

A: A person must score in the upper 0.15% of admission test scores in order to qualify for a very…

Q: According to a recent study, if a person smoked, the average number of cigarettes smoked per day was…

A:

Q: An online stock trading company makes part of their revenue from clients when the clients trade…

A: sample mean (x̄)  = 82 population mean (µ) = 85 sample size (n) = 120 sample standard deviation (s)…

Q: n a population, the mean score on a measure of satisifaction is 50, with  standard deviation of 16.…

A:

Q: The combined math and verbal scores for students taking a national standardized examination for…

A: μ = 800 σ = 190

Q: The scores for a standardized reading test are found to be normally distributed with a mean of 300…

A: Given : mean = μ = 300 standard deviation = σ = 40 sample size = n = 490

Q: A pollster claims that the mean amount spent on Christmas gifts by an American family is $927 with a…

A: From the provided information, Mean (µ) = $927 Standard deviation (σ) = $200 Let X be a random…

Q: A recently admitted class of graduate students at a large state university has a mean GRE verbal…

A: We have given that  Mean=650  Standard deviation=50 X=490

Q: What is the z-score for this raw score?

A:

Q: The mean height of a population of men is 70.8 inches and the standard deviation is 3.2 inches. What…

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

A: The scores of a university are normally distributed with mean 70 and s standard deviation 10.Given…

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Given Information: Population mean (u) = 165  Standard deviation (σ) = 10  Score earned by a subject…

Q: In order to be accepted into a certain top university, applicants must score within the top 5% on…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The local police force gives all applicants an entrance exam and accepts only those applicants who…

A: The score that corresponds to the top 15% is, The Z-score that corresponds to the area 0.85 is…

Q: According to the IRS, the average refund issued by the IRS in the 2019 filing season is $1,949.…

A: Given that, Mean = 1949 Standard deviation = 712 Sample size = 64

Q: according to police sources, a car with a certain protection system will be recovered 90% of the…

A: Given problem is a binomial distribution with:

Q: The results of a common standardized test used in psychology research is designed so that the…

A: From the provided information, Mean (µ) = 175 Standard deviation (σ) = 10 X~N (175, 10) Here X be a…

Q: A researcher claims that the stomachs of blue crabs from Location A contain more fish than the…

A: Given, Denote μ1, μ2 as the true population mean weights of fish in the stomachs of blue crabs from…

Q: A standardized memory test has a mean of μ = 100 and a standard deviation of σ= 10. What percent of…

A: Let X be the score in the memory test which follows normal distribution with mean 100 and standard…

Q: It is known that the mean is 65 and the standard deviation is 10. There are 30 students in the…

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Q: A student scored 66 on a general science test where the class mean and standard deviation were 82…

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Q: ureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of…

A: a. Given: n=1250,p=0.82 The mean is computed as: The variance is computed as: The standard…

Q: The average wage for bank managers in a certain city is $91,900 per hour with a standard deviation…

A: Given that  X~N( μ = 91900 , ? = 24300) μ = 91900 , ? = 24300 Z-score =( x - μ )/?

Q: John finds that there is a scholarship available to all persons scoring in the top 5 % on the ACT…

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Q: A researcher claims that the stomachs of blue crabs from Location A contain more fish than the…

A:

Q: In a certain university, the students were informed that they need a grade in the top 8% of the…

A:

Q: on the test was 450 and the standard deviation was 50.  If the board wants to set the passing scores…

A: According to the sum, the board of examiners that administers the real estate broker’s examination…

Q: The mean salary of all employees in a company is $3,485, and the standard deviation is $1,870. Find…

A:

Q: An online stock trading company makes part of their revenue from clients when the clients trade…

A: In the given problem we have,  n = sample size = 120 The average number of trades per year was 82…