A set of data items is normally distributed with a mean of 50 and a standard deviation of 8. Convert 33 to az-score. ..

Q: A set of 10 scores has a standard deviation of 8. What is the sum of squares?

A: Given,Number of scores = 10Standard deviation = 8Using formulas,For population, For sample,

Q: an exam score has a mean of 506 and a standard deviation of 100. What exam score corresponds to a…

A: μ  = 506 , σ = 100  Z~ N(0,1)

Q: Assume that the results are normally distributed. Pedro took an exam in a class in which the mean…

A: The formula for z-score is z = x - μσ where μ is the mean and σ is the standard deviation.…

Q: A set of data items is normally distributed with a mean of 500. Find the data item in this…

A:

Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

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: The Stanford-Binet IQ test is scaled so that scores have a mean of 100 and a standard deviation of…

A: Let "X" be the Stanford-Binet IQ test

Q: The scores on a mathematics exam have a mean of 71and a standard deviation of 8. Find the x-value…

A: Let X denote the scores on a mathematics exam and it follows normal distribution with mean of…

Q: A psychologist finds that the intelligence quotients of a group of patients are normally…

A: According to the provided information,

Q: Heights for 16-year-old boys are normally distributed with a mean of 68.3 in. and a standard…

A: Given information: μ=68.3, σ=2.9 The P-value for the 96th percentile = 0.96 Determine the z-score…

Q: The distribution of the weights of dogs at a local rescue shelter is Normal, with a mean of 38…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 102 and a standard…

A:

Q: A set of data items is normally distributed with a mean of 20 and the standard deviation of 8.…

A: z-score: A z-score describes how many standard deviations a data item in a normal distribution lies…

Q: The serum cholesterol level in men aged 18 to 74 are normally distributed with a mean of 178.1 and a…

A:

Q: The distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Given data, μ=35σ=12P(X>60)=?

Q: Convert score 46 to z-score if the mean is 40 and the standard deviation is 4.

A: The definition of a z-score is:   z = (X - μ) / σ

Q: of driver's education students is 68 points, with a standard deviation of 4 points. Apply…

A: Given

Q: For a random sample of  70  overweight men, the mean of the number of pounds that they were…

A: given data  n = 70 x¯ = 28 poundsσ = 3.8 poundsbest point estimate for population mean  = ?

Q: The monthly income of trainees at a local mill is normaly distributed with a mean of $3300 and…

A:

Q: The mean BMI score for dieters on the Jenny Craig weight loss program is 38.5, and the standard…

A: The normal distribution: A continuous random variable X is said to follow normal distribution with…

Q: an exam score has a mean of 506 and a standard deviation of 100. What exam score corresponds to a…

A:

Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: The provided information is:

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

A: Given data normally distributed with mean (μ) =67, standard deviation (σ) =9.Let ‘X’ be a normal…

Q: The mean test score for a history test is 63 with a standard deviation of 9. The mean test score for…

A: It is given that the mean test score and standard deviation for history test are 63 and 9, the mean…

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 mean of a data ser is 70. The standard deviation is 2. Between what Value is 95% of data found…

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Q: A test score of 36 has an equivalent standard score (z-score) of -2.4. If the standard deviation is…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A:

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: