25A Quick Quiz FST

Your history teacher randomly chooses 2 out of 18 students to give an impromptu debate on freedom of press in the high school news paper.  What is the probability that both you and your best friend are chosen to give the debate?  

• 1/153
• 1/306
• 2/153
• 40/51

How many anagrams has the word

S Q U A R E?

• 720

• 520

• 320

• 120

How many different arrangements can be made from COLLEGE?

• 2880

• 720

• 1260

• 5040

There are eleven seniors and five juniors who are sprinters on the high school track team. The coach must select four sprinters to run the 800 meter relay race. What is the probability that two seniors and two juniors will be chosen for the relay team?

• 0.069

• 0.050

• 0.036

• 0.302

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

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%

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

• 37.5%

• 12.5%

• 50%

• 66.7%

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%