In a large population, 70% of the people have been vaccinated. If 4 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? Give your answer as a decimal (to at least 3 places) or fraction

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A: At the cafeteria, Edan has a choice of three soups, four types of sandwich, and two desserts.  Here…

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A: From the provided information, The percentage infection of a disease in a country was 0.005 so the…

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A: Given Mean=155 Standard deviations=30 X=194

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A: Given the subject scores of the student at the final exams are as in the following table.

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A: Given N=12 P=0.26 k=6

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A: Given, sample size (n)  = 100 initial arithmetic mean (x̄)  = 60

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Q: The table below gives the amount of time students in a class studied for a test and their test…

A: X values  Y values 1031.52.751.52 7875908997858180

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A: we know;sample size(n)=50sample mean(x¯)=756 grams/dayand sample s.d.(s)=35 grams/dayfor confidence…

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A: here given , population  = N = 5000  sample size  = n  =  50

Q: Q4) Data of 100 student scores was recorded in a statstistics exam. The arithmetic mean and standard…

A: Given n=1000, sample mean x̄=60, standard deviations=15

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A: Given that person  loses 97 out of 100 cards, a person buys 13 cards

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A: Given data: Mean = 13.7 Standard deviation = 1.9

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A: Given data is x 1 2 3 4 5 6 7 y 4 5 1 6 7 10 7

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Q: Given: Age 16-18 frequency 20 18 19-21 22-24 8 25-27 4 Find: mean, median, mode, Q1, D6, P12

A: Given data is  Age Frequency 16 - 18 20 19 - 21 18 22 - 24 8 25 - 27 4

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A: Solution Given That, A random sample of 10 houses in a particular area, each of which is heated with…

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A: It is given that n=7 and p=0.5.

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Q: Q1) e-The subjects' score of a student at the final exams were as in the following table. Therefore,…

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A: Given: Confidence level = 95% = 0.95 Significance level α = 1-0.95 α = 0.05

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Q: 1) What is 2A + 5B if Matrix A = (1 2 -31 -5 4 2 and Matrix B= -2 6 41 31 -1 -2 31

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Q: Regardless of age, about 20% of American adults participate in fitness activities at least twice a…

A: The provided information is  n=100x=15α=0.05The proportion is p^=xn=15100=0.15a.The null and…

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Q: Express the confidence interval (106.2,250)(106.2,250) in the form of ¯x±ME

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Q: 3) Consider a simple linear regression model Y = Bo + B₁1x + e, where Y is the response variable, x…

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