Lesson 30 - 31 Review

Decide if the probability in each statement is described by the likelihood of the event occurring. Select ALL that are true.

Select the spinner with the following characteristics:

Landing on A, B, C, or D is certain.

It is likely to land on C than not.

It is equally as likely to land on A as D.

A baseball player gets on base 3 out of 5 times. Based on his results, how many of his next 20 at bats will he not get on base?

There are 52 cards in a deck. Each card contains a letter or a number. Mel selects a card at random, records the letter or number, and puts the card back in the deck. The results of his first 8 trials are F, 2, G, 3, 8, 7, R, and 4. Using Mel's results, how many letter cards will Mel select in 32 trials?

There is an upcoming election in our town. You ask a random sample of voters whether they plan to vote for the current governor, against the current govenor, or if they are undecided. The results are 15 for the current Govenor, 20 agains the current govenor, and 5 are undecided. Use these results to predict how many people will be for, against, or undecided in a group of 1200 voters.