Probability Review

Front

If the probability that an event will occur is 0.24, what is the probability that the event will not occur?

Back

0.76

Front

The mean of a binomial distribution is

Back

np

Front

In a survey of 200 randomly selected people, it was determined that 72 watched the last World Cup. What is the probability that a randomly selected individual watched the World Cup? (give answer as decimal rounded to the nearest hundredth)

Back

0.36

Front

Which of the following is an example of a continuous random variable?

Back

Weight of newborn babies at a certain hospital

Front

The area under a normal curve is

Back

1

Front

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

Back

P(A') = 1 - P(A)

Front

What is a discrete random variable?

Back

A variable that can take on a countable number of values.

Front

What is the formula for the variance of a binomial distribution?

Back

np(1-p)

Front

What does it mean for two events to be independent?

Back

The occurrence of one event does not affect the probability of the other.

Front

What is the Central Limit Theorem?

Back

The theorem states that the distribution of sample means approaches a normal distribution as the sample size increases.