Simple Probability
"And" Events
"Or" Events
Expected Value
100
The probability of rolling a 6.
What is 1/6?
100
The probability of picking a red card and a black card at the same time.
What is 0?
100
The probability of passing or failing.
What is 1?
100
The expected value when winning $4 for rolling a 6
What is $0.67?
200
The probability of picking a heart from a deck of cards.
What is 1/4?
200
The probability of failing and passing?
What is 0?
200
The probability of picking a Jack or a Heart?
What is 4/13?
200
The expected value when winning $5 for picking a heart from a deck of cards.
What is $1.25?
300
The probability of flipping a coin.
What is 1/2?
300
The probability of rolling a 2 and a prime number with two dice.
What is 1/12?
300
The probability of rolling a 6 or a even number with two dice.
What is 1/2?
300
The expected value when winning $12 for picking a red card and rolling a 2.
What is $1?
400
The probability of picking a 7 from a deck of cards.
What is 1/13?
400
The probability of picking a 7 and a heart?
What is 1/52?
400
The probability of picking a face card or a prime number.
What is 8/13?
400
The expected value when winning $7 for flipping a heads and rolling an odd number.
What is $1.75?
500
The probability of picking a red 3 from a deck of cards?
What is 1/26?
500
The probability of rolling a 5 and flipping a tails with a coin.
What is 1/12?
500
The probability of rolling a 5 or a sum of 8.
What is 1/4?
500
The expected value each situation: winning $16 for rolling an odd number and picking a spade, and winning $26 when rolling an even number and picking a face card.
What is $2 and $4?