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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?
Find the maximum total allowable weight if we want a 0.975 probability that this maximum will not be exceeded when 17 males are randomly selected.
Why is it necessary to study the order of operations and the laws of operations before you start solving equations? Of the three laws, commutative, associative, and distributive, which one is most frequently used in algebra? Why?
Find out the z values for 29 and 34 hours. What percent of the garages take between 32 hours and 34 hours to erect? What percent of the garages take between 29 hours and 34 hours to erect?
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
Explain how you would settle on a reasonable level of significance for your scenario. Also explain what the type I and II errors would be if you reached the incorrect conclusion in your test.
To cross a single lane of moving traffic, we require at least a duration d. Successive car interarrival times are independently and identically distributed with probability density function fT (t).
Let denote the sample mean viewing time. What is the probability the sample mean will be within 0.25 hours of the population mean?
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means.
Use a significance level to test the claim that the mean weight loss is greater than 0. Based on these results does the diet appear to be effective. Does the diet appear to have practical significance.
Graph the inequality below on the number line. b>10
The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
In a school how is ztest used in time table ... one group that studies 7 periods a day of 45 mins each class and the other group can choose semester wise classes and their time period is 90 mins
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