Blog

The first quartile

Exhibit 5-7The probability that Pete will catch fish when he goes fishing is .8. Pete is going to fish 3 days next week. Define the random variable X to be the number of days Pete catches fish.Refer to Exhibit 5-7. The probability that Pete will catch fish on one day or less is

Exhibit 6-9The average price of personal computers manufactured by MNM Company is $1,200 with a standard deviation of $220. Furthermore, it is known that the computer prices manufactured by MNM are normally distributed.Refer to Exhibit 6-9. What is the probability that a randomly selected computer will have a price of at least $1,530?

A weighted average of the value of a random variable, where the probability function provides weights is known as

Exhibit 5-12The police records of a metropolitan area kept over the past 300 days show the following number of fatal accidents. Number of Fatal   Accidents Number of Days 0 45 1 75 2 120 3 45 4 15 Refer to Exhibit 5-12.  What is the probability that in a given day there will be at least 1 accident?

Some of the CDs produced by a manufacturer are defective.  From the production line, 5 CDs are selected and inspected.  How many sample points exist in this experiment?

How does Rawls address the issue of civil disobedience in a just society?

Given that Z is a standard normal random variable, what is the value of Z if the area to the right of Z is 0.5?

The probability assigned to each experimental outcome must be

Exhibit 9-2n = 64 = 50s = 16H0: m 54   Ha: m < 54Refer to Exhibit 9-2. The test statistic equals