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

Author Question: A department store claims that its average customer satisfaction rating is 28.5. We believe that ... (Read 67 times)

BSITTON

  • Full Member
  • ***
  • Posts: 150
on: Feb 26, 2023
A department store claims that its average customer satisfaction rating is 28.5. We believe that this rating is too high, so we randomly sample 40 customers and find a sample average of 25.2. If the standard deviation of customer satisfaction for this store is 13.1, what is the probability of observing a sample at least this far below the claimed mean, assuming the claim is true?

◦

0.9441


◦

0.4013


◦

0.0559


◦

0.2500

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by BSITTON on Feb 26, 2023

xinyifff

  • Full Member
  • ***
  • Posts: 159
Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


BSITTON

  • Member
  • Posts: 150
Reply 2 on: Feb 26, 2023
:D TYSM

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Wetlands Store and Clean Water Wetlands Store and Clean Water
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Examples of Impacts Associated with Different Amounts of Global Average Temperat Examples of Impacts Associated with Different Amounts of Global Average Temperat
An emergency department physician at work An emergency department physician at work
Middle age brings greater career satisfaction than young adulthood, sometimes through major job ... Middle age brings greater career satisfaction than young adulthood, sometimes through major job ...
A form that the customer should fill out if there is a driveablilty concern to help the service ... A form that the customer should fill out if there is a driveablilty concern to help the service ...
Video: Heart sounds

For a complete list of videos, visit our video library