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In a baseball game, Tommy gets a hit 30% of the time when facing this pitcher. Joey gets a hit 25% of the time. They are both coming up to bat this inning.
1. What is the probability that Joey or Tommy will get a hit?
2. What is the probability that neither player gets a hit?
3. What is the probability that they both get a hit?
two friends decide to go to the track and place some bets. one friend remarks that in an upcoming race the number 8
The lifetime of a particular brand of computer is exponentially distributed with an average lifetime of 3.2 years. (a) Find the probability that a randomly selected computer of this brand will have failed within 3 years.
Suppose 1.5 percent of the antennas on new Nokia cell phones are defective. For a random sample of 200 antennas, find the probability that:
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
Discuss some of the problems facing the long term care industry today. What are some possible solutions for these problems?
Just as we had 3 versions of the t-test
A mail order company tracks the number of returns it receives each day. Information for the last 50 days shows
The monthly cost of a long distance phone plan in dollars is a linear function of the total calling time in minutes. When graphed, the function gives a line with a slope of 0.11.
Discuss how you would use regression to help you with your task-specifically, explain how you would go about evaluating the goodness-of-fit and the predictive efficacy of your model.
You're interested in determining the volume of sales dollars necessary for the coming year to reach the break-even point. You've decided to break down the sales for the club into four categories, they are as follows:
Test a hypothesis to see if this proportion has changed since 1985. I have the standard error and a t-score of 1.660. I need the test effect, test statistic and p-values.
The products are acceptable and that 30% are defective. If five of the products are randomly selected, find the probability that all five are defective?
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