Identify the t-score for a 99% confidence interval if the sample size is 70. t = The answer isnt 2.6490 so what is the answer?

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Q: Each bit transmitted through a channel has a 10% chance to be transmitted in error. Assume that the…

A: Given; It is given that 10% chance to be transmitted in error, p = 0.10 n = 18 q = 1-p = 1-0.10 q =…

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A: Given,no.of red balls=3no.of black balls=4no.of green balls=7Total no.of balls=14

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A: From the provided information, Sample size (n) = 16 Sample mean (x̄) = 30.5 Population standard…

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Q: A demographics researcher claims that the mean household income in a recent year is the same in Ada…

A: Given: α = 0.10 n1 = 18 X1 = 58300 s1 = 9000 n2 = 20 X2 = 56600 s2 = 15600 Formula Used: t-test…

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A: It is given that  Favourable cases, X = 77 Sample size, n = 99 Sample proportion, p^ = X/n = 77/99 =…

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Q: Use Table A-2 (Section 6.2) to find the probability: The mean score on an exam was 77.7 and the…

A: The mean score 77.7 and standard deviation 12.1 μ=77.7σ=12.1

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A: we have to find expected frequency ( i.e. Observed count )   Formula :  Eij = Ri×CjN Where ,  Ri…

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Q: In a sample of 23, the mean is  x¯x¯ = 91.74 with a standard deviation of s = 9.87. Assuming the…

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Q: A set of 15 different integers has a median of 25 and a range of 15.  1. What is the greatest…

A: Given: Set of different integers=15 Median=25 Range =15

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A: The probability distribution of variable X can be written as follows: P(X=x)=1a,x=0,1,2,……

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Q: 1. Pretend that in a certain city the number of new cases of COVID was reported to be 200 new cases…

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Q: Let x be a random variable representing dividend yield of bank stocks. We may assume that x has a…

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Q: 23 56 35 68 47 37 12 13 18 56 32 126 12 120 55 158 73 12 171 142 47 a 158 4 72 21 8 23 25 154 18 151…

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Q: Which of the following are attributes of correlation? Ocorrelation is bounded by +1 and -1…

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A: Given data: A 7.14 7.11 7.61 7.98 7.21 7.16 7.89 7.24 7.86 B 7.36 7.04 7.19 7.41 7.10 7.15 7.36…

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Q: A simple random sample of size n is drawn from a population that is normally distributed. The sample…

A: Given:  Mean, x̄= 114 Sample Standard deviation,s=10

Q: Suppose we are testing the null hypothesis Ho : μ = 32 and the alternative hypothesis H₁ : µ‡ 32,…

A: Given , Hypothesis : H0 : μ = 32 H0 : μ ≠ 32 It is two tailed test.  Since population standard…

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Q: What proportion of smokers in the sample died from heat disease? Round your answer to four decimal…

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Q: A genetic experiment involving peas yielded one sample of offspring consisting of 418 green peas…

A: The hypothesized proportion is 0.27.

Q: Verify the following identities. (a) A\B=A\(ANB) = An B (b) B (BNA) U (BNA) = (c) B\A= BnA (d)…

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