Statistics Section 6.1 Assessment

Question 1

Which of the following is a requirement for a discrete probability distribution?

Accepted Answer

Each probability must be between 0 and 1, inclusive.

Question 2

Which of the following is an example of a discrete random variable?

Accepted Answer

The number of fish caught during a fishing tournament.

Question 3

Is the random variable NUMBER OF HITS TO A WEB SITE IN A DAY discrete or continuous?

Accepted Answer

DISCRETE

Question 4

Is the random variable AMOUNT OF SNOW IN TORONTO DURING DECEMBER discrete or continuous?

Accepted Answer

CONTINOUS

Question 5

Which of the following is a requirement for a discrete probability distribution?

Accepted Answer

The sum of the probabilities must equal 1.

Question 6

Is the distribution shown a discrete probability distribution?

Accepted Answer

YES

Question 7

Is the random variable TIME IT TAKES TO FLY FROM NYC TO LA discrete or continuous?

Accepted Answer

CONTINOUS

Question 8

Find the missing probability to make the distribution a discrete probability distribution.

Accepted Answer

There is no value possible.

Question 9

Is the distribution shown a discrete probability distribution?

Accepted Answer

NO

Question 10

C represents the color of M&Ms in a standard bag. Is C a random variable?

Accepted Answer

NO

Questions 10