Binomial Probability

Barry Bonds has a career batting average of .298 (He gets on base 29.8% of the time). What is the probability that he will get on base 6 times in 10 at bats?

• 3.58%

• 5.46%

• 22.67%

• 100%

Tags

CCSS.HSS.CP.B.9

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%

Tags

CCSS.HSS.CP.B.9

A fair quarter is flipped three times. What is the probability of getting two or more heads?

• 37.5%

• 12.5%

• 50%

• 66.7%

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

CCSS.HSS.CP.B.9

A research team at Cornell University conducted a study showing that approximately 10% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to brain, diminishing cerebral functions. At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that at least one tie is too tight?

• 27.0%

• 12.2%

• 73.0%

• 87.8%

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

What does the n stand for in the binomial probability formula?

• Number of trials
• Number of Successes
• Probability of Successes
• Probability of Failures

What does the r stand for in the binomial probability formula?

• Number of trials
• Number of Successes
• Probability of Successes
• Probability of Failures

What does the p stand for in the binomial probability formula?

• Number of trials
• Number of Successes
• Probability of Successes
• Probability of Failures

What does the (1-p) stand for in the binomial probability formula?

• Number of trials
• Number of Successes
• Probability of Successes
• Probability of Failures