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1. For a binomial with n = 20 and p = .7, determine the mean and variance of pˆ, the proportion of observed successes.
2. For a binomial with n = 30 and p = .3, determine the mean and variance of pˆ.
3. For a binomial with n = 10 and p = .8, determine (a) the probability that pˆ is less than or equal to .7, (b) the probability that pˆ is greater than or equal to .8, (c) the probability that pˆ is exactly equal to .8.
What are some of the significant problems that transgender suspects face in the criminal justice system and how have the courts responded to this issue? Research current case law on how courts have categorized and placed transgendered inmates in co..
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
According to the norms established for a reading comprehension test, eighth graders should average 84.3 with a standard deviation of 8.6. If 45 randomly selected eighth graders from a certain school district averaged 87.8, use the four steps in th..
two cards are drawn without replacement from a standard deck of fifty-two cards. find the probability of these
What is the probability that an employee selected at random will need either corrective shoes or major dental work?
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
George Fastrack, head of the Bureau of Obfuscation's United Way drive, wants to know the average United Way pledge among Obfuscation Bureau employees. What is George's best estimate of the mean donation
Change the last number in that set from 36 to 14 and recalculate the confidence interval. Using the results, describe the effect of an outlier or extreme value on the confidence interval.
Remark. A concrete example runs as follows: Take 3 sticks of length 1, break each of them uniformly at random, and pick one of the pieces from each stick. Find the probability that the 3 chosen pieces can be constructed into a triangle.
You choose random sample of 50 cans, and mean amount of paint per 1-gallon can is 0.995 gallon. Is there evidence that mean amount is different from 1.0 gallon (use α=0.01).
1. the company believes that it averages about the same weight per bag in each of two production lines. to test this
an airliner carries 50 passengers and has doors with a height of 70 inches. heights of men are normally distributed
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