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 40 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
Excellent

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Flowchart to determine if a species is autotroph, heterotroph, or a subtype Flowchart to determine if a species is autotroph, heterotroph, or a subtype
An example of a selection list used to identify symptoms. An example of a selection list used to identify symptoms.
Radiology Procedures Not Requiring Contrast Media Radiology Procedures Not Requiring Contrast Media
Fatty fish, such as salmon, are an excellent source of omega-3 fatty acids Fatty fish, such as salmon, are an excellent source of omega-3 fatty acids
Topic Media Topic Media
Beak size in finches during dry years increases because of strong selection Beak size in finches during dry years increases because of strong selection
Video: Bone Healing Animation

For a complete list of videos, visit our video library