Topic 7.1

Lauren spins the spinner with 8-equal sized sections one time. Drag the tiles to arrange the events in order from least likely to most likely.

• spinning a 4 or 5

• spinning a 6

• spinning a number greater than 5

• spinning an even number

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

• impossible

• unlikely

• equally likely

• likely

• certain

If you toss a coin 10 times and get tails each time, which of the following is true?

• The probability of getting a tail on the next toss is greater than the probability of getting a head.

There are 20 marbles in a bag. 12 of them are red and the remaining 8 are blue.

What is the probability of pulling out a RED marble?

(in simplest form)

A spinner has four equal sections- one blue, one purple, one red, and one yellow.

Is the spinner fair?

• Yes

• No

Kevin is holding a 6-sided dice.

What is the probability that he will roll an EVEN number?

(in simplest form)

Robbie is going to roll a 6-sided dice.

What is the probability that he will roll a number LESS THAN 5?

(ANSWER IN SIMPLEST FORM)

There are 14 boys and 12 girls in Ms. Smith’s class.

What is the probability that she will call on a girl the next time she randomly chooses a student?

• 6/13
• 1/2
• 5/12
• 7/14

North Middle School is having a raffle to win an iPad.

Michael bought 25 tickets. North sold 200 tickets total.

What are Michael’s chances of NOT winning the raffle?

• 0.5
• 0.875
• 0.25
• 0.1

• 1/2
• 3/10
• 2/5
• 1/4