Seven coins are tossed at one time. What is the probability that exactly four heads or exactly three tails are tossed? Explain. If six fair coins are tossed simultaneously, what is the probability that one or more of the coins will be heads?
A fair coin is tossed 15 times. Calculate the probability of getting 5 or more heads. A fair coin is tossed 15 times. Calculate the probability of getting 0 heads. You are given an unfair coin, with a 75% probability of heads. What is the probability of getting 2 ...
Suppose a number is chosen at random from the set {eq}\left \{ 0,1,2,3,...7,8,9 \right \} {/eq}. What is the probability that the number is a perfect cube? Probability: If there is a set of numbers, and one number is c...
Two numbers are drawn successively at random with replacement from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9). What is the probability of the event E that these two numbers are the same? K digits are to be c...
Events A and B are mutually exclusive. SupposeP(A)=0.27andP(B)=0.19. What is the probability of either A or B occurring? Use two decimal digits. Independent and Dependent Events: Events fall into one of two categories: ...