Binomial Probabilities

Barry Bonds has a career batting average of .298.  What is the probability that he will get on base 6 times in 10 at bats?

• 3.58%
• 5.46%
• 22.67%
• 100%

If you were to flip a coin 20 times, what is the probability you would get exactly 10 heads?

• 50%
• 17.62%
• .58.81%
• 41.19%

4. When rolling two dice, the probability of rolling doubles is ⅙. Suppose that a game player rolls the dice four times, hoping to roll doubles. Find the probability that the player gets doubles twice in 4 attempts.

• 88.4%
• 11.6%
• 98.4%
• 1.6%

Which of the following is NOT an assumption of the Binomial distribution?

• All trials must be independent.
• Each trial must be classified as a success or a failure.
• All trials are dependent on each other.
• The number of successes in the trials is counted.

When rolling a fair die 100 times, what is the probability of rolling a "4"exactly 25 times?

• 1.0%
• 16.7%
• 25%
• 2.1%

If you were to flip a coin 20 times, what is the probability you would get at least 13 heads?

• 94.23%
• 13.16%
• 5.77%
• 7.39%

An algebra 2 test has 6 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 6 questions, what is the probability that you get exactly 3 questions correct? (You need to figure out the p value first. It is not given to you.)

• 96.2%
• 13.2%
• 8.31%
• 25.0

A quarterback has a passing percentage of 70%.  What is the probability that he does not complete 8 of his 20 passes?

• 11.44%
• 12.45%
• 54%
• 12.34%

A coin is tossed ten times.  What is the probability that there are exactly 6 heads?

• 20.51%
• 90%
• 45.68%
• 34.65%

Let n=20, (1-p) = .6,  Find the probability of 12 successes

• 3.55%
• 35.55%
• 24%
• 12.90%