Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. The middle 90% of the heights are between what two values? Round to one decimal place.     60.4 inches and 66.8 inches     59.5 inches and 67.7 inches     63.1 inches and 64.1 inches     61.9 inches and 65.3 inches

Q: The average thickness of books on a library shelf is 8.3 centimeters. The standered deviation is .6…

A: The mean is 8.3 centimeters and standard deviation is 0.6 centimeters. The books are undersized…

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(108<x<132) = ?

Q: The Standard Deviation for the Sum of Squared Errors for a data set is 9.8. What is the cutoff for…

A: Given that: Sample standard deviation for SSE or residuals is, s=9.8

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those…

A: μ = 100σ = 15 X = 115

Q: Find the standard deviation for the given data. Round your answer to one more decimal place than the…

A: Obtain mean of the sample data. Denote the values of the sample data by xi: xi: 223, 225, 300, 291,…

Q: In a piston assembly, the specifications for the clearance between piston rings and the cylinder…

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Q: Find the range and the standard deviation (correct to two decimal places). 86, 97, 101, 101, 105…

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Q: Will all earthquakes above the 95th percentile cause indoor items to shake? O A. Yes, because…

A: The mean is 1.157 and the standard deviation is 0.532.

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

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Q: Find the range and the standard deviation (correct to two decimal places). 80, 91, 94, 94, 101…

A: Formula: A) Range = Maximum value - Minimum value B)Standard deviation :

Q: people think that the "normal" adult body temperature is 98.6°F. In a more recent study, researchers…

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Q: What is the standard deviation (spread from mean) of the dot plot?

A: Introduction: Taking the mean of the data points, removing the mean from each data point separately,…

Q: Find the standard deviation for the group of data items. Stems Leaves 8 1 58 2 58 The standard…

A: Given data : From the above stems and leaves data 8,15, 18, 25, 28 x¯ = ∑xin x¯ = 8+15+18+25+285 x¯…

Q: In 2011, the mean property crime rate (per 100,000 people) for the 10 states in the Northeast was…

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Q: The scores and their percent of the final grade for a statistics student are given. What is the​…

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Q: Print Refrigerator manufacturers design their freezer units to maintain temperatures within a…

A: a.   Consider that σ2 is the true variance of temperatures of refrigerator.

Q: In which month is it more unusual to have a day with a high temperature of 57°​? Explain

A: For January, mean = 36 and SD = 9 Fir July, mean = 77 and SD = 8 First we calucuate the z scores of…

Q: The critical value from the distribution for a confidence interval of 99.8% is: t*= DNE x Use…

A: The data shows the Permafresh and Hylite.

Q: Find the range , the standard deviation , and the variance for the given samples . Round noninteger…

A: Range is the difference between the smallest and the largest observation of a give data-set.

Q: Find the range and the standard deviation (correct to two decimal places). 85, 95, 101, 101, 103…

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Q: A police radar gun is used to measure the speeds of cars on a highway. The speeds of cars are…

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Q: (III) Each dot plot below represents a different set of data. Order the data sets from largest…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: The graph on the IQ scores of the adults shows a Normal distribution.The mean is 100, and the…

Q: le plot for the data. Choose the correct graph below. 400 500 5 OB. 3.00 2.00 1.00- 0.00- -1.00…

A: Given: The data given is as below 350 100 300 50 0 400 200 100 200 450 50…

Q: Use the frequency distribution to construct a histogram. Does the histogram appear to depict data…

A: Use the frequency distribution to construct a histogram. Weight (g) Frequency 6.000-6.049 3…

Q: The heights of adult women in the US are normally distributed with a mean of 64 inches and a…

A: Solution: Let the random variable X denotes the height of an adult woman in the U.S. It is given…

Q: The frequency distribution in the table represents the square footage of a random sample of 510…

A: Square FootageFrequency0 - 4996500 - 999181000 - 1499351500 - 19991232000 - 24991192500 - 2999773000…

Q: A. 75th percentile B. 5th decile C. 3rd decile D. 1st quartile 2. When a distribution id divided…

A: As per guideline expert have to answer first tgree subparts only.

Q: n the distribution shown, state the mean and standard deviation. Hint: The vertical lines are 1…

A: The vertical line in the distribution shows the 1 standard deviation apart.

Q: The distribution of head circumference for full term newborn female infants is approximately normal…

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Q: Length of snowboards in a boardshop are normally distributed with a mean of 152.4cm cm and a…

A: