Suppose that annual precipitation is normally distributed, with mean 50 inches, and standard deviation 12 inches. Find the 65th percentile of the precipitation distribution.

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Q: 96        171        202        178        147        102        153        197        127…

A: Given data is96,171,202,178,147,102,153,197,127,82,97sample size(n)=11

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A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: given data normal distriutionμ= 105σ = 15P(90<x<120) = ?

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Q: What is the probability of obtaining a Z score above +2.5

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Q: Find the necessary confidence interval for the binomial proportion p. (Round your answers to three…

A: Given that, sample size is n=‘800 and X= 24 p̂ =X/n= 24/800=  0.03 level of significance;1 - α/2 = 1…

Q: Stopping Distances: A study found that the average stopping distance of a school bus traveling 50…

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Q: to terpret the interval that you have constructed. O In repeated sampling, 95% of all intervals…

A: It is given that  n = 64, X̄ = 13.2 s2 = 3.32 => s = 1.822 Confidence interval = 95%

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Q: a. Express the original claim in symbolic form. Let the parameter represent the adults that would…

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Q: Consider a Uniform distribution U(10, 168) Compute the P(x > 81), Round to the nearest thousandth.

A: It is given that a Uniform distribution U10,168.

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Q: Among college students, the proportion p who say they're interested in their congressional…

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Q: Before every flight, the pilot must verify that the total weight of the load is less than the…

A: given data normal distributionμ = 179σ = 37.2n = 36over load if x¯>162P(overload) = ?

Q: nean lated with the oking status of the mother during others divided into four categories according…

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Q: The mean serum-creatinine level measured in 12 patients 24 hours after they received a newly…

A: Note- Giving solution for 7.1.   Given information Sample mean x̅ = 1.2 mg/dL Population mean µ =…

Q: f n is 500, x is 200, and E= 0.05, what is the upper limit of the confidence interval for the…

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Q: A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older…

A: Given that  Sample size n =23 Sample mean=94.3 Standard deviation =21.5

Q: sample is 49 hours and that the standard deviation is 5 hours. Based on this information, complete…

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

A: given data  normal distribution μ = 100σ = 15P(x<z) = 0.99x =?

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: given datanormal distributionμ= 105σ = 15P(x<120) = ?

Q: advertise that they will offer you 100 pounds of free topsoil if it takes their pumpkins more than a…

A: It is given that  Mean, μ = 106 Standard deviation, σ = 5 Z-Score, Z = ( X - μ )/σ

Q: 3. A researcher is interested in knowing if preterm infants with late metabolic acidosis and preterm…

A: Given that: Sample n mean s With condition 38 8.5 3.5 Without condition 32 6.85 2.6

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Q: Boxes of cereal are labels as containing 13ounces following are the weight of a sample of 12 boxes.…

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Q: A. What is the p-value of your test?  a. 0.0113 b. 0.9887 c. 0.0226   B. What is your estimate for…

A: Given the data of the birthweights (in pounds) corresponding to the babies born to the mother's in…

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Q: John's math course requires 5 tests. His first 4 grades were 76, 60, 94, and 61. To end up with an…

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

A: Given info: IQ scores of​ adults are normally distributed with a mean of 100 and a standard…

Q: * mode (20) * mean A 20 1+ 3 + 5+ 6+ 7+10 = 6 *medica = n+l 2 - E 5,3 5+6 2 = 1,3,5,6,7,10 5,5

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Q: The following information is from the article College Students' Attitudes Toward UFOs, (College…

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Q: What is the random variable in this problem? rv X = the fat consumption of a randomly selected male…

A: It is given that  Mean, μ = 103.1 Standard deviation, σ = 4.32 Z-Score, Z = ( X - μ )/σ   Note:…

Q: A study was conducted to investigate effects of physical  training. Sample data from ten subjects…

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Q: You wish to test Ho:μ = 53.2 versus Ha:μ> 53.2 at a significance level of 0.01. You obtain a sample…

A: Given that  x̄ = 54.4 ,   μ = 53.2 , s = 8.2 , n = 16

Q: ording to the Empirical rule, as shown in the figure below, the percentage of data that lies outside…

A: Emeprical rule: According to empirical rule 68%,95%,and 99.7% data fall within range of one ,two and…