Suppose a researcher wants to estimate the population proportion of defective light bulbs. He took a random sample of 800 light bulbs and 40 of them found out to be defective.  Suppose the researcher claims that the defective proportion of light bulb is less than 7%. Suppose he wants to test this claim at 5% significance level.   Calculate the test statistics. (Round your answer to two decimal places )

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A: Given data, μ=100 σ=15 P(X<x)=2.5%=0.025

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A: We have given that  Population proportion p = 57% = 0.57 Favourable cases, X = 113 Sample size, n =…

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A: given data, sample of 100 men, and 10% own cats.n1=100p^1=0.10x1=0.10*100=0.10 You sample 80 women,…

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A: p^1=0.5p^2=0.45 p^=180*0.5 + 160*0.45180+160 = 0.47 hypothesis: H0 :p^1=p^2H1:p^1≠p^2 since we have…

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Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given : Mean = μ = 0.36  Level of significance = 0.05 p^ = xn    = 31118    = 0.2627

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Q: 2. A Suay vиas maae to сотраre tпе costs oj supporing a јатпу Jor a ye In aifferent foreign cities.…

A: Solution: n1=11  Sample size of Toranto n2=11  Sample size of  Mexico ∑x1= 741200x1= ∑x1n1=74120011=…

Q: Before the furniture store began its ad campaign, it averaged 182 customers per day. The manager is…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…