You want to know the percentage of utility companies that earned revenue less than 39 million or more than 61 million dollars. If the mean revenue was 50 million dollars and the data has a standard deviation of 7 million, find the percentages.

Q: Below: Using the 5 Step Process, Test the Claims The World Data Atlas reports that the average Crude…

A: Given information: μ=18.6, σ=7.9, n=15

Q: and the istributed with a mean of 100 and a standard deviation of 15 ick to view page 1 of the…

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A: Given: x¯1=8s1=4n1=25x¯2=13s2=9n2=25Confidence level = 0.99 α=0.010

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A: Given: The equation of the regression line is: y^ = 1.386X + 12.604 n = 10 Formula Used: Prediction…

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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A: Given that  Number of trials n=124 Success of probability p=0.52 ,q=1-p=0.48 X~binomial(n,p)

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Q: Find the critical value (or values) for the t test for each. • n = 10, α = 0.05, right-tailed • n =…

A: The question is about to find critical for t dist. To find critical value : 1 ) n = 10,  α = 0.05,…

Q: uestion 3

A: Given: 96 99 90 56 71 94 86 71 64 91 84 68 88 73 81 73 65 57…

Q: periment is 0.08. Ten laboratory specimen samples checked and the samples are independent. What is…

A: Given : Sample size(n)=10Contamination Probability =0.08Not contamination probability =1-0.08=0.92…

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Q: DI D2 D3 D4 D5 59920 Question 2: Discrete random variables (30 Points) A factory has in stock 300 kg…

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Q: Let B and C be two events such that P (B) = 0.33 and P (C) = 0.66. Do not round your responses. (If…

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Q: A simple random sample of size n = 15 is drawn from a population that is normally distributed. The…

A: GivenMean(x)=27.3standard deviation(s)=6.3sample size(n)=15α=0.01

Q: 5. Suppose 7% of all households have no home telephone but depend completely on cell phones. Find…

A: 5)Givenp=0.07n=450x~Binomial(n=450,p=0.07)P(X=x)=(nx)(p)x(1-p)n-x   ; x=0,1,..,n

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A: Given:   Yes  No Total Children in house 421 411 832 No children in house 810 1110 1920…

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A: From the question we have to find X>1.64 or X<0.16  =(2-1.64)/2-0 + (0.16-0)/2-0 =0.36/2 +…

Q: Length of a Walk (in Miles) Class 0.34-0.40 0.41-0.47 Frequency 7 13

A: Formula used for midpoint . (upper class + lower class)/2

Q: 2) Using a 95% level of confidence, test the claim College GPA's have a mean of 3.0.

A: Data set is: College GPA 3.68 3.1 2.72 3.61 4 3.89 3.51 2.64 3.33 3.32…

Q: plastic per day. Now, using a newly developed and less expensive process, the mean daily yield of…

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Q: Credit card debt: Following are outstanding credit card balances for a sample of 16 college seniors…

A: Given data is: 409 550 1299 353 610 814 386 1513 688 1567 979 2258 2482 1753 1674 528

Q: Can you state the null hypothesis H0 and the alternative hypothesis H1?

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A: Given,no.of people run a red light=189no.of people responded "no"=253Total no.of peoples=442

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Q: Source Treatment Error Total df 28 SS 2.226 MS = SS/df 0.742 F-statistic 0.73

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Q: 1. in the past, a chemical company produced 880 pounds of a certain type of plastic per day. Now,…

A: Given that  Sample size n =50 Sample mean =871 Standard deviation =21

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A: Given info: A linear regression analysis is used to analyze the relationship of the sleep time the…

Q: CHOOSE THE LETTER OF THE CORRECT ANSWER NO NEED FOR EXPLANATION.   A. Simple Random Sampling B.…

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Q: P(A)=0.42P, (A)=0.42, P(B)=0.38, P(B)=0.38, and P(AandB)=0.20P(AandB)=0.20. P(B∣notA)=

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Q: The data for a random sample of six paired observations are shown in the table. a. Calculate x and s…

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Q: Part 1 of 4 The area of the shaded region is Part 2 of 4 0.96 1.56 X 5

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Q: You measure 43 backpacks' weights, and find they have a mean weight of 69 ounces. Assume the…

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

Q: GIVEN DATA B) SOLVE FOR POPULATION MEAN AND STAND

A: classmate Daily Allowance 1 20 2 50 3 150 4 50 5 50 6 50 7 70 8 50 9 100 10 30…

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A: The following information has been given: x¯1=10.4         x¯2=10.6s1=1.2           s2=1.9n1=29…

Q: mine the probability P(1 or fewer) for a binomial experiment with n= 8 trials and success…

A: Given that  Number of trials n=8 Success of probability p=0.5 , q=1-p=0.5 X~binomial (n , p)

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Q: The authors of the paper "Playing by the Rules: Parental Mediation of Video Game Play"+ used data…

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