{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chapter 9 Problems (1)

# Chapter 9 Problems (1) - MATH 2300 Problems Express the...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: .-..-.._-;_.. :. MATH 2300 - - Problems Express the null hypothesis. 1) Which could be the null hypoth 's for the true proportion of ﬁreﬂies unable to produce light? A) Ho: 13 at 0.0012 silo: p = 0.0012 C) Ho: p = 0.0012 D) Ho: p < 0.0012 Examine the given statement, then identify whether the statement is a null hypothesis, an alternative hypothesis or neither. 2) The mean income of workers who have majored in history is less than \$25,000. A) Null hypothesis 5) Neither @Alternative hypothesis 3) The rcentage of viewers tuned to FOX News is equal to 85%. (93;):qu hypotheSis 3) Neither C) Alternative hypothesis 4) The more college courses a person has, the higher their salary will be. A) Alternative hypothesis B) Null hypothesis @Neither Determine the null and alternative hypotheses. 5) A manufacturer claims that the mean amount of cola in its 16 ounce bottles is 16.1 ounces. A consumer advocacy group wants to perform a hypothesis test to determine whether the mean amount is actually less than M this. “75 Ho: u == 16.1 ounces 8) Ho: p: 16.1 ounces Ha: p s 16.1 ounces H3: )1 > 16.1 ounces C) H0: )1 < 16.1 ounces @110; ,0 =16.1 ounces Ha: u > 16.1 ounces Ha: p < 16.1 ounces 6) A cereal company claims that the mean weight of it's individual serving boxes is at least 14 oz. A)H0:u=14 tin-{0:11:14 C)H0:p=14 @H0:p=14 E) Ho:u=14 Hazpzlti Ham!” Hams” Hazp<14 Ha:p>14 Finlay 5-" KL" 1W0“ 9'0“” l“ 3) O' E , clqnnela '5 Luce-r you aura-at 7) The owner of a football team claims that the average attendance at games is over 81.000, and he is therefore justified in moving the team to a city with a larger stadium. A) H0: )1 = 81,000 B) Ho: )1 = 31,000 C) H0: .u = 31,000 @ Ho: )1 = 31,000 Ha: u281,000 Ha: p<81,000 Ha: )1: 81,000 Ha: p> 81,000 Select the most appropriate answer. 8) Which of the following would be an appropriate null hypothesis? A) The population mean is not equal to 3.4. B) The sample mean is equal to 3.4. ©l'he population mean is equal to 3.4. D) The sample mean is greater than 3.4. 9) Which P-value provides the strongest evidence against the null hypothesis? A) 0.05 s) 0.99 C) 1 D) —0.05 @0001 10) Which of the following statements is false? A) The P- value is betWeen 0 and 1. B) The P-value represents the probability of obtaining the observed value or one even more extreme. C) The smaller the P—value, the stronger the evidence is against H0. @The P-value assumes 1-1;, is true. ...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern