The average woman’s height is 65 inches with a standard deviation of 3.5 inches. What is the z-score for someone 72 inches tall?     (round to the tenths place) What proportion of women are taller than 72 inches tall?     %    (enter answer as a percent rounded to the nearest hundredth as needed)

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

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

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Q: Find the standard deviation of the lengths of the wolves in the entire animal preserve.

A: The mean of the lengths of the wolves in the entire animal preserve is,…

Q: The coefficient of variation CV describes the standard deviation as a percent of the mean. Because…

A:

Q: he amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram.…

A: The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown above  the…

Q: he IQ of a person follows a normal distribution and has a mean of 100 and a standard deviation of…

A: Given that  The data is normally distributed with  Mean (μ) = 100 Standard deviation (σ) = 15   We…

Q: Data table

A: Calculations for Height:

Q: Use the data 2, 3, 3, 6, 6, 7. Add 2 to each of the numbers. How does this affect the mean? How does…

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Q: П. Distribution of Data - Bell Curve A test was given to 250 students. The mean was 80 and the…

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

Q: If the average number of textbooks in professors' offices is 14, the standard deviation is 5, and…

A: Given that For textbooks, mean = 14, and SD = 5 For age, mean = 42, and SD = 10

Q: What is the mean of the data represented in the frequency table below? 3.75 3.50 2.75…

A: Given: x Frequency (f) fx 1 3 3 2 1 2 3 2 6 4 2 8 5 3 15 6 1 6   ∑f=12 ∑fx=40

Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

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Q: The table on the right gives the annual income for eight families, in thousands of dollars. Find the…

A: Given that following data Family Income x A 49 B 51 C 46 D 48 E 47 F 48 G 45 H 50…

Q: Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use…

A: Given that:

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

A: We have given that.    X~N( 0 , 1 )    μ = 0    , ? = 1

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

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Q: A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the…

A: Normal Distribution:Normal Distribution:The normal distribution is a continuous probability…

Q: The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the…

A: Solution:  The frequency distribution for the data is  f Midpoint x xf 2 70.5 141 10 92.5 925…

Q: 5. Two different 5th grade classes take the same test. In the first class of 50 students the mean…

A: Given the First class Sample size =50  Mean =70  Second class  Sample size =20  Mean =90 We have to…

Q: A student scored 31.9 on the mathematics section of the American College Test. The mean score for…

A: From the provided information, Mean (µ) and standard deviation (σ) of ACT exam score are 16 and 9.6.…

Q: Let's look at the relationship between hour Price (in thousands of dollars) and house Size (In…

A: Note: Hi! Thank you for the question. As you have posted multiple sub-parts, according to our…

Q: uppose you go to the grocery store and spend $92.54 for the purchase of 12 items . What is the mean…

A: Given that  Amount spent  = $92.54 Number of items bought = 12     We know that  Mean amount =…

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Let "X" be the test score. Find z-score (z): The z-score is the measure of how far the standard…

Q: Ivan and his family are relocating to Los Angeles and have found a great area in which to live. The…

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Q: is a measure of difference between the observed value of a variable and some other value. Select…

A: Remark Dispersion is a statistical term that describes the size of the distribution of values…

Q: Solve this for me

A: The objective of this question is to calculate the z-scores of Laura's and Mary's heights and then…

Q: Find the standard deviation of the following set of scores. 10, 2, 38, 23, 38, 23, 21, 23

A: From given data, set of score: 10, 2, 38, 23, 38, 23, 21, 23 Count, N = 8 Sum, ∑x = 178

Q: The mean and standard deviation for the final exam in Dr. Fudd's class were as follows: mean = 86…

A: Given that  Mean = 86  ,  Standard deviation = 3  Bugs scored = 88

Q: The distribution of the lengths of long-stemmed roses is mound-shaped and symmetric with the mean…

A: The mean is 15 and the standard deviation is 2.

Q: Sofia wants to determine the average household expenditure on lawn care products per year. She…

A: Population standard deviation σ = 19.2The confidence interval = 0.95Significance level (α) = 1-…

Q: The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they…

A: Standard deviation :

Q: b. 7 miles

A:

Q: n the right gives the annual income for eight​ families, in thousands of dollars. Find the number of…

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