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Suppose that the probability of exposure to the flu during an epidemic is .6. Experience has shown that a serum is 80% successful in preventing an inoculated person from acquiring the flu, if exposed to it. A person not inoculated faces a probability of .90 of acquiring the flu if exposed to it. Two persons, one inoculated and one not, perform a highly specialized task in a business. Assume that they are not at the same location, are not in contact with the same people, and cannot expose each other to the flu. What is the probability that at least one will get the flu?
a company believes it has a 40 chance of being successful on bidding a contract that yields a profit of 30000. assume
1. someone offers you a game of unbiased coin toss where you win 111 usd on tails and lose 85 usd on heads. what is the
You are going to invest $20,000 in a portfolio consisting of assets X, Y, Z as follows:
an entomologist writes an article in a scientific journal which claims to prove that fewer than 12 in ten thousand male
At 95% confidence using the p- value approach, test the hypotheses. Let α = 0.1.
let y denote a geometric random variable with probability of success p.a show that for a positive integer a.pygta qab
A random sample of 20 users is obtained. Using the Binomial Probability Distribution, determine the following probabilities?
three-way catalytic converters have been installed in new vehicles in order to reduce pollutants from motor vehicle
Combine the following observations with the above data: 34, 46, 92, 51, 65, 76, 53, 99, 40, 46. Does the combined data set look normal?
A sample of 144 cans of coffee showed an average weight of 16 ounces. The standard deviation of the population is known to be 1.4 ounces.
What is the appropriate inferential statistical test for the case scenario? Why?
researchers at the university of california-berkeley have designed built and tested a switched-capacitor circuit for
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