Sports Betting
100 x 200/100
100 x 2
$200.
You win 200 risking 100.
A stock drops from $40 to $34. What is the percent decrease?
40-34/40 x 100 = 6/40 x 100 = 0.15 = 15%
2/6 = 1/3.
Which disney princess is known for leaving a ball at midnight and has two ugly stepsisters?
Cinderella/Princess Cinderella.
What is the line on a graph that is curved?
You bet $10 on a 50% chance to win $20 profit. What is the expected value?
y= (0.5 x 20) + (0.5 - 10)
y= 10 - 5
y= 5
The expected value is 5.
A value starts at 500 and grows by 110% each year for 2 years. How much would the value be?
1+0.10 = 1.10
y=500(1.10)2
y= 500 x 1.21
y= 605
$605
What are the odds in favor of drawing a heart from a deck of cards?
13:39 or 1:3
Which disney princess is known for being stuck up in a tower and has long, golden, healing hair.
Rapunzel/ Princess Rapunzel.
What is the line of the following rule: y=mx+b
Linear.
If you bet $100 at +100 odds, what is the break-even win rate?
100/(100/100 + 1)
100/2
50 = 50%
A phone price drops from $250 to $200. What is the percent decrease?
250-200/250 x 100 = 50/250 x 100 = 0.20 = 20%
A bag contains 5 red marbles and 3 blue marbles. What is the probability of choosing a blue marble?
3/8.
Which Disney princess works independently to build her own restuarant?
What is (0,1) for an exponential function?
The graph passes through the point when x= 0 when using the formula of y=ab1.
150/(150+100) = 150/250 =0.60 = 60%
A $1000 investment decreases by 20% per year for 2 years. What would the investment end up being after 2 years?
Decay factor: 1 - 0.20 = 0.80
y= 1000(0.80)2
y=1000 x 0.64
y = 640
$640
If the probability of rain is 3/5, what are the odds in favor of this?
3:2.
Which Disney Princess is known for being cursed by an evil witch and falls into a deep sleep.
Aurora/Princess Aurora.
What is y=7 for a linear function
A line is horizontal and passes through y = 7.
If you bet $120 at +250 odds. What is the total payout?
120 x 250/100
120 x 2.5
= 300
120 + 300 = 420
$420
A stock increases by 12% one year and then decreases by 12% the next year. Is it back to the original value if the stock is $2000?
After increase: 2000 x 1.12 = 2240
After decrease: 2240 x 0.88 = 1971.20
No, it does not.
What is the probability of rolling an even number OR a number greater than 4 on a die?
4/6 or 2/3.
Which disney princess is known for being an independent hero who disguises herself as a man, challenging gender stereotypes.
Mulan/Princess Mulan.
What is x=4 in a quadratic function?
It is the axis of symmetry for y= (x-4)2+1.