A community service award will be given to one of the 10 grade 7, 6 grade 8, 12 grade 9, and 15 grade 10 nominees. Find the probability that the winner is a grade 10 student [ Choose ] grade 10 or grade 9 student [ Choose] not a grade 7 student [ Choose] neither a grade 7 nor a grade 8 student [ Choose ] >

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A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: In a population where 25% of voters prefer Candidate A, an organization conducts a poll of 1616…

A: P(prefer candidate A) = 0.25 n = 16 voters P(0 of 16 will prefer candidate A) = ?

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A: Given data, n=38 p=77%=0.77 P(X=30)=?

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Q: Of the cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4% have…

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Q: Of the cartons produced by a company, 9% have a puncture, 7% have a smashed corner, and 0.9% have…

A: From the given information we find the probability.

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Q: A physics class has 50 students. Of​ these, 13 students are physics majors and 15 students are…

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Q: An urn contains five white balls and six red balls. The second urn contains eight white balls and…

A: It is an important part of statistics . It is widely used .

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Q: In a large population, 68 % of the people have been vaccinated. If 4 people are randomly selected,…

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Q: A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10…

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Q: From a group of 10 choldren, a team of 5 (the red team) is randomly chosen. The remaining 5 children…

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