e of water by the residents of a small town in gallons per day. Th tudy found that for an average family the standard deviation is confidence, how large of a sample is required to estimate the m

Q: Please solve f and g.

A: The regression equation is given. Part (g) is not given. We solve d, e and f.

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A: The mean =100The standard deviation = 15

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A: Z is normally distributed with Mean(μ)=0standard deviation(σ )=1

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A: According to the given information in this questionWe need to construct 99% confidence interval

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A:

Q: X is a normally distributed variable with mean μ = 30 and standard deviation σ = 7. Find P(x > 30)

A: X~N(30,7)Mean()=30standard deviation()=7

Q: 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 sis in words would be: tion of people in a sample that…

A:

Q: Finding the Z score using Technology, Describe how would use a calculator and Statcrunch to find (

A: To use a calculator and Statcrunch to find the area to the left, right, or between two z-scores, you…

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A: 10 tires with defective walls90 non defective tires______________________100 total tiresselect 4…

Q: According to a statistical journal, the average length of a newborn baby is 19.2 inches with a…

A: Mean()=19.2standard deviation()=0.7

Q: hests of tree-pipits, the following results were obtained for 1 2 3 4 5 6 7 8 n) 16.3 16.6 17.0 16.9…

A: aThe formula for r is:r = Σ(xi- x̄)(yi - ȳ) / √Σ(xi- x̄)2Σ (yi - ȳ)2orr = nΣxy - ΣxΣy /…

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A: Sample  size(n)=70Sample  mean()=24.5Population standard deviation()=4.25

Q: 5. Find the derivative of y=2¹-10² +13t.

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A: From the provided information,The data values are as follow: 6, 4, 11, 12, 13, 9, 10, 14, 8, 4, 7,…

Q: Evaluate E= Z P₁.91 n₁ + A P2.92 n₂ X₁ * for z = 2.575, x₁ = 44, x₂ = 94, n₁ = 50, n₂ = 108, P₁ = n₁…

A: (2) Answer:- Given, z* = 2.575x1 = 44 and n1 = 50x2 = 94 and n2 = 108Using formula,

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A:

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A:

Q: 2. How many observations are there in a complete data set having 30 elements and 3 variables? A. 90…

A: Number of variable=k=3Number of elements in each variable=n=30

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian death = 42 + 85 + 250 + 611 = 988 Number of pedestrian death that neither…

Q: Gulf Real Estate Properties Gulf Real Estate Properties, Inc., is a real estate firm located in…

A: As per guidelines we will solve the first question only, please repost other questions for more…

Q: Assume a member is selected at random from the population represented by the graph. Find the…

A: normal distributionP(283<x<291) = ? area under normal curve represents probability.

Q: The graph depicts the standard normal distribution with mean 0 and standard deviation 1. Shaded area…

A: Answer the standard normal distribution with mean 0 and standard deviation 1.

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Q: auto maker

A: Confidence interval =95% sample size [n] =46

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A: To apportion the sections using the Hamilton method,

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Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

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Q: You Try: Determine the equation that would be the best fit and write the equation rounding to 2…

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Q: GED: In a certain high school, the probability that a student drops out is 0.05, and the probability…

A: Answer Given A student drops out =0.05diploma [GED] =0.25

Q: The Law Enforcement Management and Administrative Statistics (LEMAS) survey reports that the mean…

A: Mean=1.99s=0.84

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A:

Q: A paper reported that for a group of 76 college students, the average number of responses changed…

A: here z score for 0 =(X-mean)/standard deviation =(0-0.9)/1 =-0.9please try 0.9  in place of (-0.9)…

Q: The number of traffic accidents at a certain intersection is thought to be well modeled by a Poisson…

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Q: Please do not give solution in image formate thanku  Question22 Which of the following is the…

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Q: Using all 1991 birth records in the computerized national birth certificate registry compiled by the…

A: From the provided information,Mean (µ) = 3432 gStandard deviation (σ) = 482 gX~N (3432, 482)

Q: A state lottery randomly chooses 6 balls numbered from 1 through 44 without replacement. You choose…

A: Probability Distribution Function:There are certain rules or conditions that a case should follow in…

Q: Archeologists excavating at a Viking site in Newfoundland have determined that the age of the…

A: Mean 95% of the artifacts are between 900 and 1100 years old.

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 48 subjects were treated with…

A: Sample size (n) = 48Sample mean (x̄) = 2.8 mg/dLStandard deviation (s) = 17.7 mg/dLConfidence…