Unit 5 and 6 Review

Front

What is the average rate of defective parts produced by a machine if it produces 2 defective parts per hour?

Back

The average rate of defective parts produced by the machine is 2 defective parts per hour.

Front

What is the probability of producing exactly 3 defective parts in the next hour if the average rate is 2?

Back

The probability is 0.1804.

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.

Front

What is the formula for conditional probability?

Back

P(A|B) = P(A and B) / P(B) where P(A|B) is the probability of A given B.

Front

What is the probability that a randomly selected person who speaks German is a boy if the probability is 0.7273?

Back

The probability is 0.7273.

Front

How do you calculate the probability of spinning green or blue?

Back

Add the probabilities of spinning green and blue.

Front

What is the probability of an event that cannot happen?

Back

The probability is 0.

Front

What is relative frequency in probability?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials.

Front

If a top stops to the left of a line 28 times out of 40 spins, what is the relative frequency of stopping to the left?

Back

The relative frequency is 70%.

Front

What is the probability of selecting a green marble from a jar with 19 marbles, 5 of which are green?

Back

The probability is 5/19.