Ch. 4 IM2 Tangent, Expected Value, Probability

A $20 bill, two $10 bills, three $5 bills and four $1 bills are placed in a bag. If a bill is chosen at random, what is the expected value for the amount chosen?

In a game you flip a coin twice, and record the

number of heads that occur. You get 10

points for 2 heads, zero points for 1 head, and

5 points for no heads. What is the expected

value for the number of points you'll win per turn?

The expected Value is exactly

(a)  

What is the probability of spinning a red if we spin 30 times?

• 1/5
• 1/30
• 3/30
• 1/10

If I spin 35 times, how many times should the color yellow show up?

• 1
• 5
• 7
• 10

If you choose from the following M & M colors, what is the probability that you choose blue? Tricky

5 green 6 yellow 8 blue 7 brown

• 8/26
• 4/13
• 8/25
• 1/3

What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

Theoretically, what is the probability of rolling a sum of one with a pair of dice?

• 0
• 1/6
• 1/12
• 1/36

What is the ratio for Tangent

• Opp/Adj

• Adj/Opp

• Opp/Hyp

• Hyp/Opp

What is the correct ratio?

• 7/24
• 24/7
• 7/25
• 24/25