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Discrete or continuous. In each of the following situations decide if the random variable is discrete or continuous and give a reason for your answer.
(a) Your Web page has five different links, and a user can click on one of the links or can leave the page. You record the length of time that a user spends on the Web page before clicking one of the links or leaving the page.
(b) The number of hits on your Web page.
(c) The yearly income of a visitor to your Web page.
Should that tragedy happen, the company will have to pay $15000. The company charges my father $1000 for the insurance policy. What is the expected value of this policy to my father?
suppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear
Assume that another counselor decided to extend the aforementioned study by collecting data on 14 children. His study yielded the following results:
according to the coffee research organization the typical american coffee drinker consumes an average of 3.1 cups per
Surface area of a cube. The formula A = 6V^-2/3(-2/3 power) gives the surface area of a cube in the volume V. What is the volume of a cube with a surface area 12 square feet?
Using the standard normal distribution tables, what is the area under the standard normal curve corresponding to Z
a trucking firm delivers appliances for a large retail operation. the packages or crates have a mean weight of 291 lb.
1. A study determined that 6% of persons age 65 to 74 have a certain symptoms. A group of 18 persons age 65 to 74 are selected at random. Find the probability that at least 2 persons have the symptoms.
analyze the effect of the therapies
For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.
assume that the population distributions of times in minutes for two different skiers to race the same course are
Test the following hypotheses using the Traditional Method. You must show all the steps involved and the final statement must be phrased appropriately for the problem.
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