Binomial and Geometric

If you want a certain number of successes in a set amount of trials, use the ???? method.

• Geometric

• Binomial

• Normal

• Poisson

If you want to know how many trials you will need before your first success, use the ???? model.

• Geometric

• Binomial

• Normal

• Poisson

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school.What is the probability that exactly 2 of the first 20 blood donors have Type B blood? 

• 0.316

• 0.282

• 0.001

• 0.620

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. What is the probability that at least 2 of the first 10 blood donors has Type B blood? 

• 0.088

• 0.697

• 0.214

• 0.303 

Multiply: (x + 7)(x + 9)

Mathematical Equivalence

ON

Tags

CCSS.HSA.APR.A.1

If you want to know how many trials you will need before your first success, use the ????? model.

• Geometric

• Binomial

• Normal

• Calculator

If we want to calculate the probability of rolling a 6 for the first time on the 6^th roll of a die, would we use the geometric or the binomial distribution?

• geometric

• binomial

The American Red Cross says that about 11% of the U.S. population has Type B blood. A blood drive is being held at your school. What is the probability that the tenth blood donor is the first donor with Type B blood?

• 0.125

• 0.316

• 0.0385 

• 0.279

Tags

CCSS.8.EE.C.8C

A test consists of 10 multiple choice questions with five choices for each question.  As an experiment, you GUESS on each and every answer without even reading the questions. 
What is the probability of getting exactly 6 questions correct on this test?

• 0.551%

• 0.00551%

• 5.51%

• 0.0258%

Out of the whole population in the US, 13% are left-handed. In a sample of 30 randomly selected people, what is the probability that the 7 of them are left-handed?

• .0519

• .966

• .034

• 0.00229