Miscellaneous
RNG
Dice
Random
Coins, dice & cards
100

probability of flipping a head

1/2

100

1 to 10

probability of choosing 5 or 9

1/5

100

probability of rolling a six

1/6

100

1 to 40

probability of choosing a multiple of ten

1/4

100

probability of flipping a head then rolled a one

1/12

200

probability of flipping 2 heads in a row

1/4

200

1 to 20

probability of choosing a odd number

1/2

200

probability of rolling 5 or 1

1/3

200

probability of flipping a head 2 times

1/4

200

probability of flipping tails then rolling 2 or 3

1/6

300

If P(A) = .40 and P(B) = .28 and A and B are independent.

What is P(A and B)?

.112

300

1 to 30

probability of choosing a prime number

3/10

300

probability of rolling a even number

1/2

300

1 to 25

probability of choosing a prime number


9/25

300

probability of flipping neither heads or tails then roll a 6

0/0

400

probability of flipping all heads four times

1/8

400

1 to 40

probability of choosing zero

0/0

400

probability of not rolling 2,5,1,4, or 6

1/6

400

probability of rolling 5, 2 , 3 , 1, or 6

1/1

certain

400

If you choose a card at random from a well-shuffled deck of 52 cards, what is the probability that the card

 

chosen is a face card?

3/13

500

Lincoln owns a small business selling used books. He knows that in the last week 21 customers paid cash, 28 customers used a debit card, and 11 customers used a credit card.  What is the probability that the next customer will pay with cash or a credit card?

P(cash or credit card) 

8/15

500

1 to 100

probability of choosing a multiple of 25

1/25

500

probability of rolling a prime number

1/3

500

A math class has 32 students. Of these students, 10 are math majors and 14 students are male. Of the math majors, four are male. Find the probability that a randomly selected student is  male or math major. 

P(male or math major)=

5/8

500

A card is selected at random from a standard deck of 52 playing cards. Find the probability of selecting a red suit or a king.

P(selecting a red suit or a king)= ____

7/13

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