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In Boston in 1968, Dr. Benjamin Spock, a famous pediatrician and activist against the Vietnamese was, was tried for conspiracy to violate the Selective Service Act (Military Draft). The judge who tried Dr. Spock had the following interesting record. Of the 700 people the judge had selected for jury duty in his previous trials, only 15% were women. Yet in the city as a whole, about 29%of the eligible jurors were women. Let p denote the probability that a juror drawn by the judge is a woman. Then to test the judge’s fairness in selecting women, what null hypothesis should be? What alternative hypothesis should be?
Use Friedman test to find out whether there is evidence for significant difference between two population variance. Use .05 level of significance.
This is an example of a Binomial probability experiment; This is neither a Poissonnor a Binomial probability experiment; Not enough information to determine the type of experiment.
Formulate a hypothesis that can be used to determine whether the mean annual consumption in webster city is higher than the national mean.
For a random sample of 40 people, what is the 95% confidence interval of the proportion of people who feel that there is too much violence on TV?
Find a 95% confidence interval for the percentage of girls and women in Taiwan who had antibodies at that time.
Find the probability that a random selected score is between 150 and 157. If a sample of size n = 100 is randomly selected, find the probability that the sample mean will be between 150 and 157.
A manufacturer produces a batch of memory chips (RAM) and measures the mean-time-between-failures (MTBF). The manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF.
If the selected coin is flipped twice and comes up heads twice in a row, what is the probability that the coin is two-headed?
78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a female who did attend college?
How many different ways to be appointed head of a division How many different ways could the three new heads be appointed?
Effect of Family Income on a Student's S.A.T. Score and salary Discrimination in the National Basketball Association
If the limits of the confidence interval of the difference between the means of two normally distributed populations were 3.5 and 5.5 at the 95% confidence level, then we can conclude that we are 95% certain that there is a significant difference ..
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