We have the following annual rainfall amounts from historic data:

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A: The mean is 0.750 and the standard deviation is 0.009.

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A: Given Information: Two-sided test at the 1% level α=0.01Power=90%

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A:

Q: Consider Ho: μ = 38 versus H₁: μ> 38. A random sample of 35 observations taken from this population…

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A: As asked by you, I have answered question no:(b)

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A:

Q: = 18, n₂ = 13, x₁ = 700, x₂ = 685, s₁ = 40, S2 = 25 A. Reject Ho if the standardized test statistic…

A: Given n1=18 n2=13 X1bar=700 X2bar=685 S1=40 S2=25

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A: Givensample proportion(p^)=0.77

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A: Givensample size(n)=2136sample proportion(p^)=0.92significance level(α)=0.05

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A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

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A: From given data we have ; n=10,001 x=7582

Q: Q. 41 What is known as probable error?

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A: From the provided information, Sample size (n) = 6 Level of significance (α) = 0.01

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Q: 22. In 1710, J. Arbuthnot observed that male births had exceeded female births in London for 82…

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A: given data   normal distributionμ = 4.7σ = 1.7

Q: Express the confidence interval (692.8,945.8)in the form of ¯x±ME

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A: Given The data is as follows: x: 18,25,14,25,8,12,7,13,16,23 y: 93,125,80,129,70,82,73,128,69,143

Q: 2. In your pocket is a random number N of coins, where N has the Poisson distribution with parameter…

A:

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Q: Express the confidence interval 168.3±35.3168.3±35.3 by stating its lower and upper bound.  <μ<

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Q: A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that…

A: Given,no.of black balls=6no.of white balls=8Total no.of balls=14

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Q: Problem 1. [SW 14.6] In Exercise 14.5(b) (which is copied below for your reference), suppose you…

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A: The correct answer is D. Causation cannot be determined from an observational study.

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A: