Suppose the heights of women at a college are approximately Normally distributed with a mean of 64 inches and a population standard deviation of 2.5 inches. What height is at the 40th percentile? Include an appropriately labeled sketch of the Normal curve to support your answer. The 40th percentile is inches. (Round to one decimal place as needed.) Choose the correct graph below. O A. О в. Oc. OP. -3 -3 Z-score Z-score Z-score Z-score

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: the data set has size 50. Approximately how many observations lie within three standard deviation to…

A: Empirical rule (68-95-99.7 rule): Approximately 68% of data lies within the first standard…

Q: The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of…

A: Given information: μ=100σ=15 Standard deviation rule: 68% of the data lies between μ-σ,μ+σ95% of the…

Q: Identify the data value corresponding to the indicated percentile. The amount of sleep an adult gets…

A: Let us define the random variable X as the amount of sleep an adult gets per day is normally…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 266.9…

A: Given: μ=266.9σ=15.4α=1-0.68=0.32

Q: If the you were given a set of measurements 9.5 g, 8.5 g,9,1 g, 9.3 g, and 9.1 g, What is the mean…

A:

Q: Identify the data value corresponding to the indicated percentile. The heights of women are normally…

A: According to the provided information,

Q: A normal distribution of heights of adult women from a certain region has a mean of 68.7 inches and…

A:

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: To solve this problem, we need to find the 17th percentile (P17) of a normally distributed dataset…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: We have given that the scores are normally distributed with mean 100 and standard deviation 15.

Q: A consumer survey indicates that the average household spends μ = $185 on groceries each week. The…

A: From the provided information, Mean (µ) = $185 Standard deviation (σ) = $25 Let X be a random…

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A:

Q: Find the indicated iq score and round to the nearest whole number. The graphs depict iq scores of…

A: The mean The standard deviation The graph is left-tailed and provides the area to the left of an IQ…

Q: 0.2743 d.)

A: For a random variable, X~N(μ,σ2), the z-score is, Z=X-μσ    .... (1)where, μ=population…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.4 and a standard…

A: Given,Mean, μ = 96.4Standard deviation, σ = 18Using formula,

Q: Which statement is true about where 95% of the possible string tension weight is?

A: A stringing machine is a device for adjusting the tension of strings in a tennis racket. Some tennis…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 95.9  and a standard…

A: Given mean=95.9, standard deviations σ=24

Q: Use the normal distribution of IQ scores, which has a mean of 75 and a standard deviation of 18 ,…

A: X~N(μ=75,σ=18)

Q: Given the data 18, 23, 26, 29, find the standard deviation to two decimal places answer rounded to…

A:

Q: Draw by hand or in Excel fully labelled curves on a common scale to epresent two sets of scores…

A: a. Mean = 25Standard deviation = 4Mean = 50Standard deviation = 4

Q: Systolic blood pressure is a measure of the force your heart exerts on the walls of your arteries…

A: GivenMean(μ)=116.91standard deviation(σ)=6.354and given adult's systolic blood pressure is…

Q: Which average is affected most by extreme values Oa. Median O b. Arithmetic Mean OC. Mode Od.…

A: Median is the middle-most value of the sorted data. Removing extreme values does not affect much the…

Q: The indicated IQ score, x, is (R

A: here mean = 100 standard deviation  = 15  X = IQ score

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A:

Q: The weights of the native North American Blue Jay have a mean of 18.4 ounces with a standard…

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Q: sample subjects medium lead levels in their study done with high lead levels. Assume that the two…

A: Solution: Population 1 :Subjects with medium lead levels  Population2: Subjects with high lead…

Q: X. IQ Scores Medium Lead Level O High Lead Level 72 n2 11 84 92 X2% D 88.555 85 87 S2 = 10.083 %3D…

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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: From the given information, μ=100σ=15 From the given plot, PX>x=0.1026

Q: ufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are more…

A: Answer Mean [μ] =15Standard deviation [σ ] =0.10It is more than 4 standard deviations..

Q: Identify the data value corresponding to the indicated percentile. The amount of sleep an adult gets…

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

Q: A quantitative data set has size 50. At least how many observations lie within three standard…

A: The size of the data set is 50.

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults doors, and those…

A: Here we need to find the indicated iq score.

Q: The average height of a female over age 20 is 63.6 inches. Assume the distribution of female heights…

A:

Q: Which of the following are measures on positions of a data seta the maximum the standard deviation…

A: Solution : Measures on positions of a data sets - Positional measures are also referred as measures…

Q: A given set of data has a specific standard deviation. Describe what will happen to the standard…

A: Answer: The standard deviation of new data is remains same as original data. As a general rule, the…