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1. Suppose that start-up companies in the area of biotechnology have probability 0.2 of becoming profitable and that those in the area of information technology have probability 0.15 of becoming profitable. A venture capitalist invests in one firm of each type. Assume the companies function independently.
a. What is the probability that both companies become profitable?
b. What is the probability that neither company become profitable?
c. What is the probability that at least one of the two companies become profitable?
Clearly identify the independent and dependent variables you would study. Determine whether an independent-samples or related-samples t test is most appropriate and why. Generate the statistical null and alternative hypotheses.
Let S = [O, SJ be a sample space containing all pos sible values of the daily quantity demanded of elec tric power for a large midwestern city in the sum mer months. The units of measurement are millions of megawatts, and the ca..
events a and b are mutually exclusive. suppose event a occurs with probability 0.29 and event b occurs with probability
For a discrete probability function that is given as: a. What is the expected value E(Y)? b. What is the standard deviation (σ) of the random variable Y?
a car manufacturer is concerned about poor customer satisfaction at one of its dealerships. the management decides to
1. Explain why excise taxes are more effective at raising tax revenues when applied to products with price inelastic demand versus ones with price elastic demand. Under what conditions would it be possible for tax revenues to decline with highe..
if they expect to satisfy about 80 orders in the next financial quarter, what is the probability that they will break their previous export record?
If 900 users visited the site, would the probability that more than 250 of them click on an ad be higher or lower than the answer found in part
the expected values for each cell in a chi-square test are the values to be expected in each cell ifanswerthe sample is
In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 second or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 second or less.
1. when an engineer wants to send a binary signal a 0 or 1 signal through a communication channel assume that there is
Suppose we select a sample of 16 cuts from various CDs sold by CRA CDs, Inc. What can we say about the shape of the distribution of the sample mean?
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