If the number of damaged machines (X) has a binomial distribution with the probability of each machine being damaged p=0.20. If you have 5 machines running and P(X<4)=0.9933 and P(X<3)=0.9421, then

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A: here given , sample mean  = 562  sample standard deviation = 74  here hypothesized mean = 557

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Q: In a clinical trial, 227 subjects were treated with a pain medicine and 52 of them developed nausea.…

A: Givensample size(n)=227x=52p^=xn=52227=0.2291α=0.05

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Q: . On a certain hearing ability test, the mean is 300 and the standard deviation is 20. The better…

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Q: We are 95% confident that the population slope parameter is between,   a 1.40 1.89 b 1.48 1.81 c…

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A: Given Total no.of cards in a deck = 52

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Q: Two dice are rolled. If A is the event that the sum of the numbers shown on the two dice is 5, and B…

A: Two dice are rolled. If A is the event that the sum of the numbers shown on the two dice is 5, and B…

Q: A linear multiple regression model is given as: Y = βo + β1 X1 + β2 X2 + μ   a. Determine the…

A: A linear multiple regression model is given as: Y = βo + β1 X1 + β2 X2 + μ

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A: We have given that,  (a) n = 17 for the 90% confidence interval for mean.  (b)  n = 20 for the 98%…

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Q: Ms. Chavez is running for mayor of Chesterville. She conducts an exit survey of randomly selected…

A: Here Given  Sample size=n=100=Total number of voters No of people voted for Ms chavez =53

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A: Given Pcap=0.46 E=0.005

Q: Find the marginal probability of X = 1.

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Q: Q2. These data are observations collected using a completely randomized design for a factor (A) with…

A: Solution-: Our aim to write value (a) F=? When H0:μ1=μ1=μ3  Vs H1: At least one mean is different.…

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A: The provided statement is False.

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A: Given,mean(μ)=400standard deviation(σ)=50

Q: University Salary ($1,000) A 53 B 44 C 68 D 47 E 62 F 64 G 53 H 100  For the above…

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Q: Example 19.15) An experiment is conducted to judge the effect of brand name on quality perception.…

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Q: Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard…

A: GivenMean(μ)=50standard deviation(σ)=1.5

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A: A one-way ANOVA tests the significant difference in group means for more than two groups.

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A: Given that  Sample size n =225 Favorable cases x =78 Sample proportion p^=x/n  =78/225 =0.3467

Q: We wish to estimate the difference in mean GPAS at two different colleges. Consider the following…

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Q: 7. The test statistic of z = 1.80 is obtained when testing the claim that p+ 0.314. a) Identify the…

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Q: Example 19.16 The personnel director of a company wishes to select applicants for advanced training…

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Q: Q5: The staff at a small company includes: 4 secretaries, 20 technicians, 4 engineers, 2 executives,…

A: Given: Q. 5) There are- 4 secretaries, 20 technicians, 4 engineers, 2 executives, 50 factory workers…

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Q: Q1 A coin throw three times find: 1. Sample space 2. Probability at least head appear twice 3.Never…

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Q: The mean diastolic blood pressure for a random sample of 50 people was 86 millimeters of mercury. If…

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Q: f. A random sample of n=80 observations from a quantitative population produced X = 30.2 and s2 =…

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Q: placebo drug and some n rent groups;

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Q: lity getting (H,T)? what is the probability getting (H,H)? If'a coin toss 3 times what is the…

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Q: 1. Please circle your choice. (a) A sum ofn independent Bernoulli (p) random variables is what type…

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Q: 3-A coin is tossed 3 times the probability that all 3 tosses are tail equal b); c) d)

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Q: State the Result: A hypothesis test was conducted at the alpha = 0.01 level of significance. The…

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Q: Create your own pizza Medium Size Large Ham Beef Sausage Toppings Olives Pineapple Green реpper Give…

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Q: Determine the minimum sample size required when you want to be 95% confident that the sample mean is…

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Q: 19 A fast-food restaurant attaches prize coupons to the cups used to serve large drinks. Seventy…

A: Given information: Seventy percent (70%) of the coupons say “Play Again,” 15% say “Win a free small…