Proportion of americans
A skeptical paranormal researcher claims the proportion of Americans that have seen a UFO, p, is less than 1 in every one thousand. Identify the type 2 error for the test.
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What is the probability that of the six missiles fired a) exactly five will hit the target, b) at least three will hit the target, c) all six will hit the target?
Why would you use the Tukey-Kramer procedure?
The weekly salaries of teachers in one state are normally distributed with the mean of $490 and a standard deviation of $45. What is the probability that a randomly selected teacher earns more than $525 a week?
What are the degrees of freedom for the machines, operators, interaction and error?
Two accounting professors decided to compare the variation of their grading procedures. To accomplish this they each graded the same 10 exams with the following results:
Find the probability that during any given period of one week, it will receive a) at least 10 b) exactly nine, and c) at most 12.
Given the following Analysis of Variance table for three treatments each with six observations. What is the mean square for treatments.
Identify which sampling technique was used in the following study: A journalist asks 17 friends about their opinion on the last World Series baseball game.
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