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Consider a class of equal number of men and women, assuming the probability of a student passing the exam given that he is a male is 5%, 0,25% passing their exams given that they are women,
(a) Evaluate the probability that a person drawn at random passed the exams.
(b) Evaluate the probability that, having drawn a person who passed the exam, the person is a male.
Telephone interviews were conducted on a representative sample of 1,003 adults living in the United States. For this sample, 506 adults admitted that they have paid to download music
Whether the suitable analysis would be one-tailed test or two-tailed test. A type I and type II error, given context of hypothesis.
Given the EOQ, what is the average inventory? What is the annual inventory holding cost and in minimizing cost, how many orders would be made each year? What would be the annual ordering cost
In the serial transmission of a byte (such as over a modem) errors in each bit occur independently with probability Q. For every 8-bit byte sent.
consider a diagnostic test for a certain type of cancer which has a false positive rate of 5 and a false negative rate
Milligrams with standard devation s=1.0 milligram. construct a 95% confidence interval for the difference between the mean nicotine content of two brands of cigarettes.
a. Graph the probability distribution function. b. Calculate and graph the cumulative probability distribution.
Using the Internet. Return to the study in Exercise, which found that 130 of 200 first-year students said that they used the Internet frequently for research.
What is the probability that a new cup will overflow when filled by the automatic dispenser? At what value should the mean amount dispensed by the machine be set to satisfy this wish?
The Federal Reserve reports that the mean lifespan of a five dollar bill is 4.9 years. Find the probability that a random sample of 35 bills has a mean length of more than 5.5 years
A technician starts a job at a time Y1 that is uniformly distributed between 8:00 A.M. and 8:15 A.M. The amount of time to complete the job, Y2, is an independent random variable that is uniformly distributed between 20 and 30 minutes. What is the..
Over the past few years the percentage of students who leave Lakeland College at the endof the first year has increased. Last year Lakeland started a voluntary one-week orientationprogram to help first-year students adjust to campus life.
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