Section 08-02 - Practice- Basic Probability

What is the probability of rolling a single die to a number greater than 4?

• 1/2

• 1/3

• 1/4

• 2/5

Tags

CCSS.7.SP.C.7B

A student is taking a 3 question multiple choice quiz. Each question has 4 options. First, determine the number of possible answer responses. What is the probability that a student completely guesses on every question on the quiz and makes a perfect score of a 100%?

• 1.56%

• 8.33%

• 25.0%

• 33.3%

Tags

CCSS.HSS.CP.B.9

Alex went bowling. He managed to get 3 strikes after 15 attempts. If you were to suggest the probability that he gets a strike on his next attempt, what type of probability would you be using?

• Subjective Probability

• Empirical Probability

• Theoretical Probability

• Authentic Probability

Jessica doesn’t have any idea of what the answer is on one of her multiple choice questions like this problem. The problem has 4 possible choices. After she guesses the answer, she realized that she has a 25% chance of getting that question correct. What type of probability did she use?

• Subjective Probability

• Empirical Probability

• Theoretical Probability

• Authentic Probability

A mechanic tells a customer that replacing the tensioner on the timing belt has about an 80% chance of fixing the problem with the car. What type of probability is the mechanic using?

• Subjective Probability

• Empirical Probability

• Theoretical Probability

• Authentic Probability

A school administrator tells everyone in the building that they will be having a fire drill randomly sometime during the school day which is from 8 a.m. to 3 p.m. If second period is from 9:20 a.m. to 10:10 a.m., what is the probability of the fire drill happening during second period?

• 11.9%

• 14.3%

• 16.7%

• 21.2%

Tags

CCSS.7.SP.C.7A

What is the complement of event of a teacher randomly calling on a student that is a male?

• Calling on a male student

• Calling on a female student

• Calling on any student

• Calling on a teacher

Tags

CCSS.HSS.CP.A.1