Unit 1 Assessment Review

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

Calculate the mean of these numbers: 5, 11, 2, 12, 4, 2.

Back

6

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the probability of flipping a coin and getting tails?

Back

1/2

Front

What is the formula for calculating the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

Front

What is the median of a set of numbers?

Back

The median is the middle value in a list of numbers sorted in ascending order.

Front

Find the median of these numbers: 4, 2, 7, 4, 3.

Back

4

Front

What is a red pen in the context of probability?

Back

A red pen is one of the items in a probability scenario used to calculate the likelihood of selecting it.

Front

If there are 3 red pens, 2 green pens, and 1 blue pen, what is the probability of picking a red pen and then a green pen?

Back

1/6.

Front

What does it mean to replace an item in probability?

Back

Replacing an item means putting it back into the set before making the next selection, keeping the total number of items the same.