Stats: Review Chapter 7 - Probability Rules

Front

What is the definition of independent events in probability?

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.

Front

How do you determine if two events are independent using a two-way table?

Back

Check if the probability of both events occurring together equals the product of their individual probabilities.

Front

What is the probability of rolling a sum of 4 with two six-sided dice?

Back

The probability is 3/36 or 1/12.

Front

What is the probability of rolling a sum greater than 4 with two six-sided dice?

Back

The probability is 25/36.

Front

How many cards in a standard deck are greater than 9?

Back

There are 16 cards greater than 9 (10, J, Q, K, A of each suit).

Front

What is the probability of drawing a card greater than 9 from a standard deck?

Back

The probability is 16/52 or 4/13.

Front

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

Back

The probability is 2/52 or 1/26.

Front

What is a probability distribution?

Back

A probability distribution describes how the probabilities are distributed over the values of a random variable.

Front

What is the probability of selecting a crossover vehicle from a given probability distribution?

Back

The probability is 0.41.

Front

What is the formula for calculating the probability of an event?

Back

P(Event) = Number of favorable outcomes / Total number of outcomes.