A recent report in which a major pharmaceutical company released the results of testing that had been done on the cholesterol reduction that people could expect if they use the company's new drug indicated that the Type II error probability for a
given true mean was 0.1250 based on the sample size of n = 64 subjects. Given this, what was the power of the test under these same conditions? The alpha level used in the test was 0.05.A) 0.95
B) 0.875
C) Essentially zero
D) Power would be undefined in this case since the hypothesis would be rejected.
Question 2
The number of weeds that remain living after a specific chemical has been applied averages 1.3 per square yard and follows a Poisson distribution. Based on this, what is the probability that a 1-square yard section will contain less than 4 weeds?
A) 0.0324
B) 0.0998
C) Nearly 0.5000
D) 0.9569
Major Events in the History of Psychology (6 of 6)
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