Ian tossed a fistful of silver coins into the air, then picked up the 12 coins that landed heads up.Is this sample of the coins likely to be biased?yesnoSubmit

If you flip six unbiased coins simultaneously, what is the likelihood of exactly three of them landing on heads?

An experiment consists of tossing three unbiased coins simultaneously. Drawing a probability tree for this experiment will show that the number of events in this experiment is:Group of answer choicesA. 3.B. 6.C. 9.D. None of these choices are correct.

Four unbiased coins are tossed simultaneously. The expected number of heads is :X: 0 1 2 3 4P(x) 1/16 4/16 6/16 4/16 1/16(a) 1(b) 2(c) 3(d) 4

Two unbiased coins are tossed. What is the probability of getting at most one head?

Candice put equal sized marbles into a bowl. Then, she shook the bowl until 3 marbles fell out.Is this sample of the marbles likely to be biased?yesnoSubmit