Question

QUESTION 16 Your investment executive claims that the average yearly rate of return on the stocks she r OHO: μ < 10.0% 0H0: μ S 10.096 0H0: μ> 10.0% ecommends is at least 10.0%. You plan on taking a sample to test her claim. The correct set of hypotheses is Ha: μ 2 10.0% Ha: μ > 10.0% Ha: μ 10.096 Ho: μ 1 0.096 Ha: μ < 10.0% QUESTION 17 A soft drink filling machine, when in perfect adjustment. fills the bottles with 12 ounces of soft drink. Any over filling or under filling r the shutdown and readjustment of the machine. To determine whether or not the machine is properly adjusted, the correct set of hypotheses is Ho: μ < 12 Ha: μ 12 Ha: μ-12 OHO: μ-12 Save All Answers Click Save and Submit to save and submit. Cick Save All Ansteers to save all answers. Type here to search

Answer 1

Q16. We want to test the claim that the average yearly rate of return on the stock she recommends is at least 10%(greater than or equal to 10%)

The correct set of hypothesis is:

$H_0:\mu<10.0\%$ Vs $H_a:\mu\geq10.0\%$

This is a right tail test.

Q17. Given that the perfect adjustment for a soft drink filling machine is 12 ounces.

we want to test the claim that whether the machine is properly adjusted or not.

The correct set of hypothesis is:

$H_0:\mu=12$ Vs $H_a:\mu\neq 12$

This is a two tail test