In a hypothesis test with the null and alternative hypotheses hypotheses Ho : µ > 80 and H1 : µ < 80, a random sample of 99 elements selected from the population produced a mean of 75.3. Assume that o = 24.6, and that the test is to be made at the 5% significance level. What is the value of the test statistic, z, rounded to three decimal places?

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A:

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Q: In a hypothesis test with hypotheses Ho : µ = 90 and H1 : µ # 90, a random sample of 103 elements…

A: According to the given information, we have Mean = 94.3 Standard deviation = 22.1 Sample size = 103

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Q: In a hypothesis test with hypotheses Ho : µ 2 74 and H1 : µ < 74, a random sample of 20 elements…

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A: The hypothesized proportion is 0.50.

Q: In a hypothesis test with hypotheses Ho : u = 90 and H1 : µ # 90, a random sample of 103 elements…

A:

Q: Independent random samples are selected from two populations and are used to test the hypothesis Ho:…

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Q: In a hypothesis test with hypotheses H0 : P greater than equal 0.76 and H1 : P less than 0.76 , a…

A: Denote p as the true population proportion. The null and alternative hypotheses are: Null…

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A: From the provided information,

Q: In a hypothesis test with hypotheses Ho:H = 90 and H1:H # 90, a random sample of 16 elements…

A:

Q: The test statistic of z =0.89 is obtained when testing the claim that p>0.1. a. Identify the…

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Q: what is the critical value of a single sample t-test based on n=23, and a two-tailed alpha of a=0.05

A:

Q: In a hypothesis test with hypotheses H.:u>74 and H, <74, a random sample of 40 elements selected…

A: We have to find critical value.

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A: Given: n= 25.0 ,x̄= 76.9 ,s= 8.5 µ= 80.0 ,significance level(∝)= 0.01 ,degree of freedom= 24.0…

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A: The given data set is: The level of significance (L) is 0.05. To test the prediction is significant…

Q: In a hypothesis test with hypotheses Ho :p 2 0.76 and H1 :p < 0.76, a random sample of size 974…

A:

Q: In a hypothesis test with hypotheses Ho :p > 0.76 and H1 : p < 0.76, a random sample of size 974…

A:

Q: In a hypothesis test with hypotheses Ho :p 2 0.76 and H1 :p < 0.76, a random sample of size 979…

A: Given data sample size, n =979

Q: In an exercise with silicon nanopillars based on the z-test of a large sample n = 50    with…

A: Given information Sample size (n) = 50 Sample mean x̅ = 305.58 Standard deviation (s) = 36.971…

Q: In a hypothesis test with hypotheses Ho : µ = 90 and H1 : µ # 90, a random sample of 16 elements…

A:

Q: In a hypothesis test with hypotheses H. = 24 and H.: u 24, a random sample of 50 elements selected…

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Q: In a hypothesis test with hypotheses Ho : p > 0.76 and Hı:p < 0.76, a random sample of size 974…

A: Here we have to test: H0: p≥0.70H1: p&lt;0.76n=974p^=0.7380α=0.05

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Q: In a clinical trial, 15 out of 830 patients taking a pr competing drugs complain of flulike…

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Q: In a hypothesis test with the null and alternative hypotheses hypotheses Ho : µ > 80 and H1 : µ <…

A: Given: n= 99.0 ,x̄= 75.3 ,σ= 24.6 µ= 80.0 ,significance level(∝)= 0.05 define hypothesis;- Null…

Q: If, in a​ one-tail hypothesis test where H0 is only rejected in the upper​ tail, the p-value=0.6792…

A: Given information: In a​ one-tail hypothesis test where H0 is only rejected in the upper​ tail, the…

Q: A one sample t-test was conducted for the effect of drug on LDL with HO: u =100. Based on sample…

A: