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.
Searchable Scientific Literature Databases and Sources
How to solve a linear system when the variable is in the denominator position (Question 2 of 2)
Problem Solving – Energy Changes in Chemical Reaction
Problem
Problem
How do you solve this 3x^2 -7x +2 and (x-1)^2 + (y-7)^2 =6