Basic Probability

Front

What is the probability of drawing a black 10 from a standard deck of cards?

Back

P(black and a 10) = 1/26

Front

What is the probability of drawing a 4 or a club from a standard deck of cards?

Back

P(4 or club) = 4/13

Front

Why is a probability answer of 6/5 considered incorrect?

Back

It is more than 1.

Front

What is the probability of rolling a sum of 7 or 11 with a pair of dice?

Back

P(sum is 7 or 11) = 22%.

Front

What is the probability of rolling an even number on a single die?

Back

P(even number) = 1/2.

Front

Define probability in the context of a standard deck of cards.

Back

Probability is the measure of the likelihood that an event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What is the total number of cards in a standard deck?

Back

52 cards.

Front

How many black cards are in a standard deck?

Back

26 black cards (13 spades and 13 clubs).

Front

What is the probability of drawing a face card from a standard deck?

Back

P(face card) = 12/52 = 3/13.

Front

What is the probability of drawing a heart from a standard deck?

Back

P(heart) = 13/52 = 1/4.