A bag holds 3 red and 8 white marbles. One marble is drawn and kept out, then a second is drawn. Does the first draw affect the second?

Of 360 shoppers, 240 used a coupon and 120 did not. Of the coupon users, 24 bought dessert; of the others, 24 bought dessert. Is buying dessert independent of using a coupon?

Of 400 shoppers, 240 used a coupon and 160 did not. Of the coupon users, 96 bought dessert; of the others, 64 bought dessert. Does using a coupon change whether a shopper buys dessert?

A bag holds 7 red and 9 white marbles. One marble is drawn and put back, then a second is drawn. Are the colors of the two draws independent?

Of 300 shoppers, 180 used a coupon and 120 did not. Of the coupon users, 135 bought dessert; of the others, 102 bought dessert. Is buying dessert independent of using a coupon?

A dart hits the bullseye with probability 0.60 every time, and the attempts do not affect each other. What is the probability that two throws both hit the bullseye, as a decimal?

Of 200 shoppers, 120 used a coupon and 80 did not. Of the coupon users, 36 bought dessert; of the others, 24 bought dessert. Is buying dessert independent of using a coupon?

A coin lands on the marked side with probability 0.30 every time, and the attempts do not affect each other. What is the probability that two tosses both land on the marked side, as a decimal?

For two events, P(A) = 0.20, P(B) = 0.70 and P(A and B) = 0.19. Are A and B independent?

A bag holds 4 red and 5 white marbles. One marble is drawn and kept out, then a second is drawn. Are the colors of the two draws independent?

A bag holds 7 red and 6 white marbles. One marble is drawn and kept out, then a second is drawn. Does the first draw affect the second?

Of 500 shoppers, 300 used a coupon and 200 did not. Of the coupon users, 225 bought dessert; of the others, 150 bought dessert. Does using a coupon change whether a shopper buys dessert?

A test unit passes with probability 0.70 every time, and the attempts do not affect each other. What is the probability that two units both pass, as a decimal?

Of 300 shoppers, 180 used a coupon and 120 did not. Of the coupon users, 108 bought dessert; of the others, 72 bought dessert. Is buying dessert independent of using a coupon?

For two events, P(A) = 0.80, P(B) = 0.40 and P(A and B) = 0.32. Are A and B independent?

For two events, P(A) = 0.25, P(B) = 0.60 and P(A and B) = 0.15. Are A and B independent?

Of 250 shoppers, 100 used a coupon and 150 did not. Of the coupon users, 40 bought dessert; of the others, 60 bought dessert. Is buying dessert independent of using a coupon?

For two events, P(A) = 0.75, P(B) = 0.30 and P(A and B) = 0.28. Are A and B independent?

A spinner lands on red with probability 0.25 every time, and the attempts do not affect each other. What is the probability that two spins both land on red, as a decimal?

A coin lands on the marked side with probability 0.20 every time, and the attempts do not affect each other. What is the probability that two tosses both land on the marked side, as a decimal?

A test unit passes with probability 0.40 every time, and the attempts do not affect each other. What is the probability that two units both pass, as a decimal?

Of 400 shoppers, 240 used a coupon and 160 did not. Of the coupon users, 120 bought dessert; of the others, 80 bought dessert. Does using a coupon change whether a shopper buys dessert?

A spinner lands on red with probability 0.80 every time, and the attempts do not affect each other. What is the probability that two spins both land on red, as a decimal?

For two events, P(A) = 0.25, P(B) = 0.30 and P(A and B) = 0.13. Are A and B independent?

For two events, P(A) = 0.20, P(B) = 0.60 and P(A and B) = 0.17. Are A and B independent?

Of 300 shoppers, 180 used a coupon and 120 did not. Of the coupon users, 72 bought dessert; of the others, 60 bought dessert. Is buying dessert independent of using a coupon?

A coin lands on the marked side with probability 0.90 every time, and the attempts do not affect each other. What is the probability that two tosses both land on the marked side, as a decimal?

For two events, P(A) = 0.30, P(B) = 0.40 and P(A and B) = 0.17. Are A and B independent?

A bag holds 3 red and 6 white marbles. One marble is drawn and kept out, then a second is drawn. Are the colors of the two draws independent?

For two events, P(A) = 0.80, P(B) = 0.40 and P(A and B) = 0.37. Are A and B independent?

A dart hits the bullseye with probability 0.10 every time, and the attempts do not affect each other. What is the probability that two throws both hit the bullseye, as a decimal?

For two events, P(A) = 0.25, P(B) = 0.60 and P(A and B) = 0.20. Are A and B independent?

A bag holds 3 red and 5 white marbles. One marble is drawn and kept out, then a second is drawn. Does the first draw affect the second?

For two events, P(A) = 0.60, P(B) = 0.30 and P(A and B) = 0.23. Are A and B independent?

For two events, P(A) = 0.60, P(B) = 0.40 and P(A and B) = 0.29. Are A and B independent?

Of 400 shoppers, 240 used a coupon and 160 did not. Of the coupon users, 180 bought dessert; of the others, 136 bought dessert. Is buying dessert independent of using a coupon?

A bag holds 3 red and 11 white marbles. One marble is drawn and put back, then a second is drawn. Does the first draw affect the second?

A spinner lands on red with probability 0.50 every time, and the attempts do not affect each other. What is the probability that two spins both land on red, as a decimal?

For two events, P(A) = 0.25, P(B) = 0.20 and P(A and B) = 0.10. Are A and B independent?

A bag holds 6 red and 8 white marbles. One marble is drawn and kept out, then a second is drawn. Does the first draw affect the second?