In a specific year, SAT scores were Normally distributed with mean 1026 and standard deviation 209; i. e. N(1026,209)N(1026,209).  What proportion of these scores will be above 1500?

Q: When IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is…

A:

Q: If a sample has a mean of 150 and a standard deviation of 9, what is the value in the data set that…

A: Given,mean(μ)=150standard deviation(σ)=9Z-score=1.58

Q: e pass completion percentages of 10 college football quarterbacks for their freshman and sophomore…

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Q: Suppose the exam average in a class is 82% with a standard deviation of 6. What proportion of…

A:

Q: The ages of the members of a popular ski club is normally distributed with a mean of 46 years and a…

A: Given that the ages of the members of a popular ski club is normally distributed with a mean of 46…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 99.2 and a standard…

A: Given info: IQ scores are normally distributed with a mean of μ=99.2 and a standard deviation…

Q: An IQ exam has a mean of 110 and a standard deviation of 12. What percent of people have an IQ score…

A: Given mean= 110 Standard deviation=12 We know that Z=X-mean/standard deviation

Q: he SAT scores are normally distributed with mean 1500 and standard deviation 300. What is the cutoff…

A: P(X>x)=10% P(X>x)=0.10 x=?

Q: uppose you have a data set of size of 26 with mean 50 and standard deviation 8. If u subtract 8 from…

A:

Q: The scores of students in a 40-point Mathematics achievement test are normally distributed with  a…

A: given data normal distributionσ = 3.595% of students got score between 28 and 42.mean = ?

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: The mean is 500 and the standard deviation is 100.

Q: The SAT scores (X) of the students in the U.S. in 2011 are normally distributed with a mean 1500 and…

A: The objective of this question is to find the percentage of students who scored below Darth Vader on…

Q: Suppose that the scores on the reading ability test are normally distributed with a mean of 70 and a…

A: We have to find z score for given data..

Q: The mean score in a test is normally distributed with mean 30 and standard deviation 10. What is…

A: Given :  Mean, μ = 30 standard deviation, σ = 10 x = 55

Q: The mean SAT verbal score is 473, with a standard deviation of 96. Use the Empirical Rule to…

A:

Q: a population was normally distributed with a mean of 10 and standard deviation of 2. What…

A: Given data,Mean μ=10sd    σ=2P(X<12.5)=?

Q: Suppose that another sample of resting heart rates for five Math students was obtained: 72, 68, 66,…

A: From the given data we want to know the data value .

Q: Suppose that IQ scores have a bell-shaped distribution with a mean of 104 and a standard deviation…

A: Given, Mean, mu= 104 Standard deviation, sigma= 17 We know that,  Z score= (X-mu)/sigma

Q: on an intelligence quotient test with a mean score of 100 and a standard variation of 15, patrick…

A: Given: The value of mean is, μ=100. The value of standard deviation is, σ=15. The value of score…

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years.  What is…

A: The mean is 68 and the standard deviation is 10.

Q: Suppose exam scores in a statistics class are normally distributed with a mean of 89 and standard…

A: Given data, Mean=89 sd=8 P(X<x)=0.45 x=?

Q: Suppose the scores of students on a Statistics course are Normally distributed with a mean of 440…

A:

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: normal distributionμ = 500σ = 100P(570<x<640) = ?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: The MF exam has a population mean of 500 and a standard deviation of 200. What are the scores for…

A: Let X=MF exam scores We have given information, The population mean μ=500 And population standard…

Q: Suppose the test scores in a class are normally distributed with a mean of 70 and a standard…

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: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Assume that adults have iq scores that are normally distributed with a mean of 98.2 and a standard…

A:

Q: You are provided with a mean of 28.18 with a standard deviation of 4.33.  What percent of students…

A:

Q: Suppose that the score on a reading test are normally distributed within a mean of 70 and a standard…

A:

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: normally distributed with a mean of  500μ=500 standard deviation of  100σ=100we have to find out…

Q: According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the…

A: Given X is normal Distributed with mean µ = 65.0 and standard deviation σ = 3.0 Need to find Z score…

Q: The Wechsler IQ test is normally distributed with mean 100 points and standard deviation 15 points.…

A: Given that.   X~N( μ , ?)   μ=100 , ?=15  , x=86   Z-score =( x - μ )/?

Q: Suppose the exam average in a class is 55% with a standard deviation of 4. What proportion of…

A: The random variable score follows normal distribution. The population mean is 55.         The…