A psychologist claims that more than 3.1 percent of the population suffers from professional problems due to extreme shyness. Identify the type II error for the test.
A) The error of failing to reject the claim that the true proportion is at most 3.1 percent when it is actually more than 3.1 percent.
B) The error of rejecting the claim that the true proportion is at most 3.1 percent when it really is at most 3.1 percent.
C) The error of rejecting the claim that the true proportion is more than 3.1 percent when it really is more than 3.1 percent.
Question 2
If you obtained a standard score on a history test expressed as z = 0.0 and a standard score on a mathematics test of z = -0.5, then you did .
a. relatively better on the math test
b. relatively better on the history test
c. better than average on both tests
d. worse than average on both tests
population
Population Density
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