Binomial Poisson

Find the variance of a binomial distribution with 50 trials and p= 0.4

• 12

• 15

• 10

• 20

Find the standard deviation of a binomial distribution with n=50 and p=0.4 (Round to the nearest tenth)

• 4.2

• 3.5

• 12.0

• 6.2

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 %

Find the mean of a binomial distribution with n=50 and p=0.4

• 50

• 4

• 20

• 10

• True

• False

• 0.1781

• 0.1755

• 0.1183

• 0.1247

• 0.1781

• 0.1755

• 0.1183

• 0.1247

• 0.1628

• 0.1606

• 0.1458

• 0.1512

The number of cars randomly arriving at a car wash during a 20-minute interval.

• Poisson

• Binomial

• Neither

Is the following Poisson or binomial distribution: Hospital records show that of patients suffering from a certain disease,75% die of it. What is the probability that 6 randomly selected patients, 4 will recover?

• Poisson

• Binomial

• Neither