Suppose that there are 19 sophomores and 22 juniors in a Physics class. Two students are chosen at random to participate in a class demonstration. What is the probability of choosing two students at random and the first is a junior and the second one is a sophomore? Round your answer to four decimal places, if necessary.

Q: Question 22 A die is rolled once. Find the probabilities of the given events. Leave your answer as a…

A: A die has six faces

Q: In the cafeteria, there are 7 teachers, 48 girls, and 45 boys. What is the probability that a person…

A: We have given that, In a Cafeteria, there are 7 teachers, 48 girls and 45 boys. Total person in the…

Q: 17% of all Americans live in poverty. If 42 Americans are randomly selected, find the probability…

A: Solution  Given That  17%  of all Americans live in poverty. If 42 Americans are randomly selected,…

Q: na box of 40 iPods, 7 are defective. If 2 iPods are selected at random and removed from the box in…

A: Given QUESTION 1 In a box of 40 iPods, 7 are defective.

Q: (Type a fraction. Simpliry 10. A city council consists of eight Democrats and eight Republicans. If…

A: Given that, A city council consists of eight democrats and eight republicans. A committee of five…

Q: Solve the problems. 1 One out of every three boxes of cereal has a prize in it. To find the…

A: The multiples of 3 in the table are 3 and 6.  For 3 and 6 the total number of outcomes=(13+7)=20

Q: Question 7 A military target must be hit by a missile before troops can move in. The probability a…

A:

Q: QUESTION 4. You are at a European beach with 60 other visitors. 36 of them speak English. If you…

A:

Q: Solve the problem. Suppose the number of babies born during an 8-hour shift at a hospital's…

A: Given Information Number of babies born during an 8-hour shift at a hospital’s maternity wing…

Q: QUESTION 4 Provide an appropriate response. Express your answer as a simplified fraction unless…

A:

Q: QUESTION 7. You are at a European beach with 60 other visitors. 36 of them speak English. Part a. If…

A: Given that European beach with 60 other visitors  36 of them speak English. We have to find   a. If…

Q: Suppose a jar contains 19 red marbles and 34 blue marbles. If you reach in the jar and pull out 2…

A: Answer - A jar contain 19 red marbles and 34 blue marbles.              Total =  53  marbles Pull…

Q: Lindsay is checking out books at the library, and she is primarily interested in mysteries and…

A: Answer:- Lindsay select 10 mysteries and 8 nonfiction books  Therefore, total number of books (r) =…

Q: Suppose a jar contains 6 red marbles and 29 blue marbles. If you reach in the jar and pull out 2…

A: Red = 6 Blue = 29 Total= 35 Probability= favorable/total  2 marbels drawn without replacement.

Q: question 1 In a school, 20% of the students failed in Calculus, 15% of the students failed in…

A: P(fail in calculus) = 0.20 P(fail in algebra) = 0.15 P(fail in both0 = 0.10

Q: QUESTION 11 A bag contains 6 red chips and 8 blue chips. Two chips are selected randomly without…

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Q: question 7 Box A contains 2 white and 4 Black balls. Another box B contains 3 white and 5 black…

A: Given,Box A:no.of white balls=2no.of black balls=4Total no.of balls=6Box B:no.of white balls=3no.of…

Q: Round all answers to 4 decimal places. a. A bag contains 6 red marbles, 7 blue marbles, and 9 yellow…

A: Solution: 8. a. From the given information, a bag contains 6 red marbles, 7 blue marbles and 9…

Q: Jar 1 Jar 2 Jar 1 has 6 marbles in it. Jar 2 has 4 cubes in it. Find the probability of drawing out…

A: We see that in jar 1, there are 3 blue, 2 red and 1 yellow marbles. And in jar 2, there are 2…

Q: QUESTION 6. Two gamblers have a big pile of money on the table. They will each draw one card from a…

A: Given that - Two gamblers have a big pile of money on the table. They will each draw one card from a…

Q: Choose an American adult at random. The probability that you choose a woman is 0.52. The probability…

A:

Q: A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice…

A: Solution: Given   Total Apprentice plumbers =25 Total Journeyman plumbers =20           Total Master…

Q: Question 12: 71% of all Americans are homeowners. If 39 Americans are randomly selected, find the…

A: Given information- We have given a problem of the binomial distribution. Probability of Americans…

Q: QUESTION 29 Suppose that 20% of ZU students are freshmen. Of those freshmen, 78% are taking classes…

A: