Sports Betting
If the odds are +200 how much would you win if you bet $100?
$200 100 100 100x = 20,000
200 x /100
x = 200
What is the odds of landing heads 3 times in a row.
1/2 x 1/2 x 1/2 = 1/8
What are the odds of rolling an even number then a 5 on a number die.
1/2 x 1/6 = 1/12
Who is the NBA leading scorer?
Lebron James
What type of graph is this? y=3x + 5
The over/under is 217.5. Does the bet of an over win if the 76ers scored 110 and the Celtics score 97?
110+97 = 207 NO
What is the growth factor of this y=30(1+0.6)5
1+0.6 = 1.6
If there are 30 Skittles in the bag, 10 red, 5 yellow, 6 green, and 9 orange, what is the probability that you get a green one, eat it, then get a red one.
6/30 x 10/29 = 2/29
How many presidents of the US have there been?
45
What is the expected value for this game? If you roll an even you win $5. If you roll an odd you loose $3.
3 x 1/2 + 5 x 1/2 = 4
If the odds are -350, what percentage of bets would you have to win to break even?
100/(100/350+1) = 100/(1.29) = 77.52%
If somebody made 12 dollars an hour an got a raise to 16, what is the % increase?
16-12/12 x 100 = 4/12 x 100 = 33.3%
How many possibilities are there if you flip a coin 5 time, roll a dice 3 times, and pick a random number 1-10 1 time.
2x2x2x2x2x6x6x6x10= 69120
What do you have to break before you can use it?
An egg
What is considered a fair game?
When the expected value of the game is 0.
If the odds are +300, how much would you have to bet to win $50.
100 x = 5,000 = 300x / 300 x = $16.67
300 50
If the value of a car goes down 15% for each year it is used, what will be the value of a $25,000 in 7 years?
25,000(1-0.15)7 = 25,000(0.85)7 = $8014.43
What was the odds of the 76ers making it to the finals if they had a 60% chance of winning the first round, 45% chance of winning the second round, and a 30% chance of winning the conference finals?
6/10 x 4.5/10 x 3/10 = 81/1000
What is the capital of North Carolina?
Give an example of independent events.
If you pick a shirt at random from your closet, then pick a random pair of pants from your drawer.
How much would you win if you bet 300 on +210 odds and 500 on -400 odds?
100 300 = 63000 = 100x/100 - 630 400 500= 50,000 = 400x/400 = 125 125+630 = 755
210 x 100 x
What is the expected value of this game? Pay $10 to play. Roll 2 dice, if it is a 12 you get $30, if it is a 1-5 you get $5 if it is 6-10 you get $20 and if it is an 11 you loose $15.
1/12 x 30 + 5/12 x 5 + 5/12 x 20 + 1/12 x -15 - 10 = 1.67
What are the odds that if you randomly pick from numbers 1-10 that 8 will be last picked?
10%
Who won the 1983 NBA MVP award?
Moses Malone
If a house goes down to $100,000 from $250,000 because of damages, what is the % decrease.
60% decrease