Car inspection: Of all the registered automobiles in Colorado, 10% fail the state emissions test. Thirteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. Part: 0 / 4 Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is X

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A: Given,sample size(n)=7mean(μ)=65.33standard deviation(σ)=31.59

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A: Given n1=93, n2=107, x̄1=11.1, s1=0.9,  x̄2=9.9 , s2=0.8, level of significance ɑ=0.01

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Q: stic is z =. o decimal places as needed.) ritical value(s). Select the correct choice below and fill…

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A: Given that  Sample size n =205 Favorable cases x =171 Sample proportion p^=x/n  =171/205 =0.8341

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Q: Frequency 24 20 16 12 T 8 4 0 70.5 15 75.5 Prealgebra Exam Scores 16 80.5 14 85.5 3 90.5 4 95.5 18

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Q: 3 cards are drawn at random from a standard deck. Find the probability that all the cards are…

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A: Given that  Sample size n =43 Sample mean =69 Population standard deviation =7.6

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