Ch11 Probability and Statistics Review

Which of the following is NOT a random sample?

What is the population you want to learn about?

What fraction of the population like comedy?

P (blue)

P (not yellow)

What is the ratio of people who like sci-fi to the people who like romance?

Find P(both rolls are not odd)

Pam wins if both are odd or both are even. Tim wins if there is one odd & one even. Who won?

For which spinner is P (2) the least? 

Jo asks all the girls on her team where they want to go after the game. What is the population?

Find the median for this sample.

Find P (blue and red) 

Number cubes are rolled & recorded. Name the probability that can be calculated from this table

You want to learn about your family’s favorite holiday. Which of the following is a population?

Which spinner is P(3) the greatest? 

Calculate the mean of the sample.

Landing on blue has an equally likely chance as landing on ________

P(red)

Which scenario is a better sample?

What do we call the whole group we are interested in learning about?