Unit 1- Probability Flashcard

Front

What is the probability of drawing a red card or a face card from a standard deck of 52 cards?

Back

32/52

Front

What is the probability of rolling either a 2 or a 5 on a single six-sided die?

Back

1/3

Front

How many different pizzas can be made by selecting 3 different toppings from 9 available toppings?

Back

84

Front

What is the probability that both marbles drawn from a box containing 5 red and 3 blue marbles are red?

Back

5/14

Front

How many 2-digit numbers can be formed using the digits 1, 2, 3, and 4 without repeating any digits?

Back

12

Front

Define probability in the context of a random experiment.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is a face card in a standard deck of cards?

Back

A face card is a card that depicts a person, specifically the Jack, Queen, or King.

Front

Explain the concept of 'without replacement' in probability.

Back

'Without replacement' means that once an item is drawn from a set, it is not returned to the set before the next draw.

Front

What is the formula for calculating combinations?

Back

The formula for combinations is C(n, r) = n! / (r!(n-r)!), where n is the total number of items, and r is the number of items to choose.

Front

How do you calculate the probability of two independent events occurring?

Back

The probability of two independent events A and B occurring is P(A) * P(B).