An assembly line will be shut down for maintenance if the defect rate exceeds 2.3%. Suppose you adopt a 5% significance level and take a random sample 200 items off the assembly line and compute the proportion that are defective. For what values of the sample proportion will the assembly line be shut down?

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A: n1 =35n2 = 40 x1 = 19.4x2 = 15.1s1 = 1.4s2 = 0.8

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A: Given: P = 0.15 n = 250 X = 40 α = 0.05 Formula  Used: Test-statistic Z = p^-PP(1-P)n

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A: We have given thatn = 100x = 73p̂ = x/n = 73/100 = 0.73p = 0.80α = 0.05

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A: Givenn2 = 30x2 = 75.2s2 = 11.9n1 = 34x1 =84.7s1 = 16.8

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Q: In a certain school district, it was observed that 32% of the students in the element schools were…

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