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A panel of 300 persons chosen for jury duty includes 30 under 25 years of age. Since the jury of 12 persons chosen from this panel to judge a narcotics violation does not include anyone under 25 years of age, the youthful defendant's attorney complains that this jury is not really representative. Indeed, he argues, if the selection were random, the probability of having one of the 12 jurors under 25 years of age should be many times the probability of having none of them under 25 years of age. Actually, what is the ratio of these two probabilities?
to investigate the relationship between yield of potatoes y and level of fertilizer application x a researcher divides
1.i have computed an analysis of variance for three groups with 10 observations per group. the degrees of freedom for
According to a hospital administrator, historical records over the past 10 years have shown that 20 percent of major surgery patients are dissatisfied with after-surgery care in the hospital. A scientific poll based on 400 hospital patients has ju..
The Federal Government is stepping up efforts to reduce average response times of fire departments to fire calls. The distribution of mean response times to fire calls follows a normal distribution with a mean of 12.8 minutes and a standard deviat..
a committee of 3 people is to be selected randomly from one of two classes.class a has 5 men and 5 women. class b has 4
A certain airplane has two alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is.02.
the function fx0 for xlt0 14x6 for 0ltxlt2 1 for xgt2 is the distribution function of a mixed random variable x.
question 1 there are 25 people in a room. what is the probability that at least two have the same birthday?question 2
the president of doerman distributors inc. believes that 30 of the firms orders come from first-time customers. arandom
the average height of college basketball players is 6 feet 4inchs with a standard deviation of 4 inchs. you take a
ssuming that the shipment includes 3% defectives, what is the probability that the shipment will be accepted? (Hint: Use the binomial distribution.)
hello i need your help to write 4 pages long essay format about how did we identify a business problem develop
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