Use t-test to test the claim about the population mean at the given level of significance and using the sample statistics. Assume the population is normally distributed. Claim: mean < 50. Significance level: 0.10 Sample statistics: mean=49.1, standard deviation=3.4, n (sample size)=25 Identify H0 and HA. Test hypotheses, and make conclusion about the test.

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

A: Given Population mean μ&gt;1200, level of significance ɑ=0.07, sample mean x̄=1217.92, n=1200

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

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

Q: 18. Claim: µ # 52,200; a = 0.05. Sample statistics: x = 53,220, s = 2700, n = 34 %3D %3D

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

A: Solution-: We given that, x¯=1263.09,n=250,σ=205.81,μ0=1230,α=0.07 Claim: μ&gt;1230 We identify the…

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A: C. H0:μ≤1280H1:μ&gt;1280

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

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

A: As given, Claim : µ &gt; 1270 α = 0.03 σ = 197.86 And sample statistics : x= 1289.03 n = 200 It is…

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Q: Claim: μ>1260​; α=0.09​; σ=199.25. Sample​ statistics: x=1279.58​, n=300 Identify the null and…

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

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

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

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Q: Claim: u> 1300; a = 0.03; 6 = 204.53. Sample statistics: x = 1317.19, n= 300 Identify the null and…

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A: Given claim: μ≤1270 Null Hypothesis: H0:μ≤1270 Alternative Hypothesis: Ha:μ&gt;1270

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A: Givenclaim:μ&gt;1220α=0.08standard deviation(σ)=209.91Mean(x)=1239.17sample size(n)=300

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

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A: x¯ = 19n = 25σ = 5H0 : μ = 21Ha : μ≠ 21α = 0.01

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

A: Given,   Sample size = 300 Sample mean = 1267 Population standard deviation = 208.13   Under the…

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A: Given: The value of n is 50. The value of σ is 11. The value of x is 244. The value of α is 0.05.

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