Question 1
Formulate the null and alternative hypotheses for a hypothesis test.
A manufacturer wishes to test the claim that one of its pancake mixes has a mean weight that does not equal 16 ounces as advertised.
◦ H
0: μ = 16 ounces
H
a: μ > 16 ounces
◦ H
0: μ = 16 ounces
H
a: μ ≠ 16 ounces
◦ H
0: μ ≠ 16 ounces
H
a: μ = 16 ounces
◦ H
0: μ = 16 ounces
H
a: μ < 16 ounces
Question 2
Solve the problem.
An entomologist writes an article in a scientific journal which claims that fewer than 20 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is to reject the null hypothesis, state the conclusion in nontechnical terms.
◦ There is not sufficient sample evidence to support the claim that the proportion is less than 20 in ten thousand.
◦ There is not sufficient sample evidence to support the claim that the proportion is greater than 20 in ten thousand.
◦ There is sufficient sample evidence to support the claim that the proportion is less than 20 in ten thousand.
◦ There is sufficient sample evidence to support the claim that the proportion is greater than 20 in ten thousand.
Generally, the total tax burden in the United States is much lower than that of other industrialize
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