Test the claim about the population​ mean, μ​, at the given level of significance using the given sample statistics. ​Claim: μ=50​; α=0.08​; σ=3.95. Sample​ statistics: x=49.7​, n=67 a. Identify the null and alternative hypotheses b. Calculate the standardized test statistic. c. Determine the critical​ value(s). d. Determine the outcome and conclusion of the test.

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A: Null Hypothesis Alternative Hypothesis  (claim)Significance level

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A: Given data; ​ Claim μ≤1210​; α=0.04​;   x=1235.97​, n=250

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Q: Use technology to help you test the claim about the population​ mean, μ​, at the given level of​…

A: From the provided information, Sample size (n) = 200 Sample mean (x̅) = 1222.94 Population standard…

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A: H0: μ=30H1: μ≠30Two tailed testb)α=0.04   α2=0.02    1-α2=0.98z*=invNorm0.98,0,1=±2.054critical…

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A: level of significance = sample 1:n1= 135sample 2:n2= 142

Q: Use technology to help you test the claim about the population mean, u, at the given level of…

A: Solution: The given claim is µ≤1250. From the given information, n=300, x-bar=1266 and σ=202.48.

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Q: Determine the P-value for this hypothesis test. Group of answer choices 0.978 0.013 0.027 0.321…

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Q: Identify the null and alternative hypotheses. Choose the correct answer below.

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A: Solution To test the hypothesis we will use t test for single mean.

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