Bill, Mary, and Tom have coins with respective probabilities p1, p2, p3 of turning up heads. They toss their coins independently at the same times.(a) What is the probability it takes Mary more than n tosses to get a head?(b) What is the probability that the first person to get a head has to toss more than n times?(c) What is the probability that the first person to get a head has to toss exactly n times?(d) What is the probability that neither Bill nor Tom get a head before Mary?

no

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

answer: no

step-by-step explanation: because the big angle will spread away the 2 side that it is on and make the opposite side even longer.