This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Media selection problems usually determine a. how many times to use each media source. b. the ... (Read 35 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
on: Jun 24, 2018
Media selection problems usually determine
 a. how many times to use each media source.
  b. the coverage provided by each media source.
  c. the cost of each advertising exposure.
  d. the relative value of each medium.

Question 2

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes. The population standard deviation is known to be 0.5 minute. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes. At a .05 level of significance, it can be concluded that the mean of the population is _____.
 a. significantly greater than 3
  b. not significantly greater than 3
  c. significantly less than 3
  d. significantly greater than 3.18


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

a


CORALGRILL2014

  • Member
  • Posts: 525
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199 Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199
Steric interactions determine peptide conformation Steric interactions determine peptide conformation
How to solve word problems with two unknowns (Question 2) How to solve word problems with two unknowns (Question 2)
Word Problems Algebra Questions Help pls Word Problems Algebra Questions Help pls
Topic Media Topic Media
Linear programming problems Linear programming problems
Video: Polysaccharides

For a complete list of videos, visit our video library