Making Predictions and Likelihood

What is the likelihood of the spinner landing on a white section?

• equally likely

• impossible

• certain

• unlikely

Q1. How many apples are there?

• A) 100

• B) 150

• C) 200

• D) 250

#1 Hello World

• 145

• 155

• 245

• 255

• 40

• 45

• 85

• 15

You spin each spinner once. You get $50 if you spin a 2 and a vowel. You get $25 if you spin a 2 and a consonant. You get $5 if you spin a 1 and a vowel. Everything else earns $0. What is the expected value of this game?

• $80

• $8.75

• $10.25

• $12.50

A mysterious card-playing squirrel (pictured) offers you the opportunity to join in his game.

The rules are:

- To play you must pay him $2

- If you pick a spade from a shuffled deck, you win $9.

Find the expected value you win (or lose) per game.

• Win $0.25

• Win $2.25

• Lose $0.25

• Lose $2.25

Eva flips a coin. If she gets heads, she wins $4. If she gets tails, she loses $3. What is her expected value of a coin flip?

• $1

• $0.50

• -$0.50

• $0

A raffle is held by the MTHS ASB to draw for a $1000 plasma television. Two thousand tickets are sold at $1.00 each. Find the expected value for one ticket.

• Lose $0.50

• Win $0.50

• Lose $5

• Win $5

The probability that you will make 85 on the quiz is 15% 70 on the quiz is 35% 60 on the quiz is 40% 50 on the quiz is 10% The teacher will let you have your current average of 72 on the quiz. Should you take the offer.

• Yes, my expected value for taking the quiz is 66.25

• Yes, my expected value for taking the quiz is 6.25

• Yes, my expected value for taking the quiz is 16.25

• Nah, I know I can make better than a 72 on that quiz

Tags

PS.SPMD.2

• 24

• 30

• 90

• 18