### All AP Statistics Resources

## Example Questions

### Example Question #111 : Data

Which of the following is a continuous variable?

i. The average weight of a newborn puppy

ii. The number of snow days during the last month

iii. The amount of time that it takes to read a book

**Possible Answers:**

i only

None of the above

i and iii

i and ii

ii and iii

**Correct answer:**

i and iii

A continuous variable can take on an infinite continuum of possible real number values. Weight and the amount of time to read a book are continuous because it is impossible to write down all the distinct potential values.

### Example Question #1 : How To Define A Sample Set

For which of these is a binomial probability model most reasonable?

**Possible Answers:**

The colors of the gummy bears in a particular bag of gummy bears from a randomly selected store rack.

The number of cards drawn from a deck until the two jokers are drawn.

The number of times a randomly selected college student has gone to the beach in the last year.

The number of people surveyed until someone who has no pets is found.

The number of times, out of attempts, that a player can throw a basketball through the hoop from feet away.

**Correct answer:**

The number of times, out of attempts, that a player can throw a basketball through the hoop from feet away.

A binomial model counts the number of successes out of a specific number of attempts at a task when each attempt has a constant probability of success. The correct choice is the one that specifies the number of attempts.

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