Unit 19 Topic 2 Binomial Probability

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

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%

Tags

CCSS.HSF-LE.A.1C

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

• 94.23%

• 13.16%

• 5.77%

• 7.39%

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%

Tags

CCSS.HSS.CP.B.9

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

• 20.51%
• 90%
• 45.68%
• 34.65%

Tags

CCSS.HSS.CP.B.9

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

• 3.55%
• 35.55%
• 24%
• 12.90%

Tags

CCSS.HSS.CP.B.9

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

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 one tie is too tight?

• 27.0%

• 12.2%

• 73.0%

• 87.8%

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

• Number of trials

• Number of Successes

• Probability of Successes

• Probability of Failures

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?

• 0.962

• 0.132

• 0.831

• 0.250

Tags

CCSS.HSS.CP.B.9