A sample of assistant professors on the business faculty at state-supported institutions in Ohio revealed the mean income to be $72,000 for nine months, with a standard deviation of $3,000. Using Chebyshev’s theorem, what proportion of the faculty earns more than $66,000, but less than $78,000?

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A: Givensample size(n)=583x=372p^=xn=372583≅0.6381confidence level=99%

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A: From the provided information, Mean (µ) = 428 Standard deviation (σ) = 59

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A: Data given 650,650,520,680,600,740,610,570

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A: Answer:     The correct answer is option  (a).

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A: The question is about one way - ANOVA Given :

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A: Given Level of significance ɑ=2%=0.02  P value=0.007

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A: Given data is120, 145, 200, 250, 79, 100, 894, 255sample size(n)=8standard deviation(σ)=5confidence…

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A: Use the Excel and Perform the Regression. Followings are the Steps to perform the Regression 1) Open…

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A: Solution:

Q: Given the information, fill in the blanks

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A: The above inequality is an application of Markov-Chebyshev inequality.

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People from some ethnic groups have…

A: Solution:

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A: Given info: A bag contains 12 red marbles, 15 yellow marbles, 10 green marbles, and 3 black marbles.…

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A: Given,     X    0    1    2      P(X)    0.05      0.30    0.65

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A: The principal is the amount that used to deposited initially. Interest is the amount that calculated…

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A: Normal approximation apply in binomial when np≥5 and nq≥5, here, n=sample size,          p= success…

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A:

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A: From the provided information, Sample size (n) = 6

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Q: subjects.

A:

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A: From the provided information, Sample size (n) = 119 Mean (x̄) = 33.3 Population standard deviation…

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A: Data analysis and research

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A:

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A: Given that: A checker is placed at bottom-right corner over the checkboard and it can move…

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A: From the provided information, Total playing cards in a pack = 52 Total face cards = 12 Total…

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A: Sample survey

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A: Hypotheses: H0:μd=0Ha:μd≠0   claim

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A: Given data Tap Water: 7.64 7.45 7.47 7.50 7.68 7.69 7.45 7.10 7.56 7.47 7.52 7.47 Bottled…

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A: Given: n1 = 38 n2 = 39 α = 0.10 Formula Used: Test-statistic t = X1 - X2sp1n1+1n2 sp =…

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