Using the probability assignments in Problem $27C$, what is the probability that a random customer will choose brand $J$ or brand $P$?

If the probability of success on each trial of an experiment is $0.3$, what is the probability of $4$ successes in $6$ independent trials?

Set up but do not compute the probability for each of the problems. The probability of 40 successes, where n=90 and p=0.4

Roll a die 50 times and record the results. Determine the empirical probability of rolling (a) a 1. (b) a 4. (c) Does the probability of rolling a l appear to be the same as the probability of rolling a 4? Explain.

In this exercise, you are given the probability that an event will happen. Find the probability that the event will not happen.

$$p=\dfrac{1}{3}$$

The probability of rain on Monday is a. It is twice as likely to rain on Tuesday. Write an expression to represent the probability of rain on Tuesday.

Why can decreasing the probability of a type I error cause an increase in the probability of a type II error?

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to.find the probability of x successes given the probability p of success on a single trial. n=6, x=4, p=0.75

Using the probability assignments in Problem $27C$, what is the probability that a random customer will not choose brand $J$ or brand $P$?

What is probability?

Find the experimental probability. Then compare the experimental probability to its theoretical probability. If the probabilities are not close, explain a possible reason for the discrepancy: A coin is tossed 20 times. It lands on heads 9 times.

The essential difference between a discrete random variable and a discrete probability distribution is that a discrete probability distribution includes the ________.

Solve the probability problem.

If a couple plan to have six children, then what is the probability that they get six girls?

The probability of selecting a king or a heart from a deck of $52$ cards is the same as the probability of selecting the king of hearts.