5/13 bell-ringer

• 336

• 56

• 8/5

• 40,320

Which descriptions are true for a binomial distribution?

• the probability of success must be the same for each event

• the probability for each event must be 0.5

• there can be only two possible outcomes

• The probabilities must add to 1

• each trial must be independent

What is the probability of tossing a coin 5 times and having it land tails-side-up 4 of the 5 times?

• 7.8 %

• 80 %

• 1.6 %

• 20 %

At a certain restaurant, there is a 70% probability that the flowers on your table will be yellow. If you are there with a group that is occupying 6 tables, what is the probability that 5 of the tables will have yellow flowers?

• 70%

• 70.6 %

• 30.3 %

• 5.0 %

Which of the following could be examples of binomial probabilities? (select all that apply)

• P(success)=0.99, P(failure) = 0.01

• P(A) = 0.4, P(B) = 0.4

• P(A)= 1/3, P(B) = 1/3, P(C) = 1/3

• P(3)= 1/6, P(not 3) = 5/6

• 54

• 504

• 60,480

• 84