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

Author Question: Students of a large university spend an average of $5 a day on lunch. The standard deviation of the ... (Read 44 times)

olsonmanny@gmail.com

  • Full Member
  • ***
  • Posts: 141
on: Mar 25, 2023

Students of a large university spend an average of $5 a day on lunch. The standard deviation of the expenditure is $3. A simple random sample of 36 students is taken.

a.What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean?
b.What is the probability that the sample mean will be at least $4?
c.What is the probability that the sample mean will be at least $5.90?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by olsonmanny@gmail.com on Mar 25, 2023

knguyen

  • Full Member
  • ***
  • Posts: 139
Reply #1 on: Mar 25, 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 50% of students answer this correctly


olsonmanny@gmail.com

  • Member
  • Posts: 141
Reply 2 on: Mar 25, 2023
:D TYSM

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Killer Whale - Size comparison to an average human. Killer Whale - Size comparison to an average human.
Large Skipper Large Skipper
A star-forming region in the Large Magellanic Cloud. A star-forming region in the Large Magellanic Cloud.
Large facial tumor due to malignant Burkitt’s lymphoma, a non-Hodgkin’s lymphoma. Large facial tumor due to malignant Burkitt’s lymphoma, a non-Hodgkin’s lymphoma.
How to manually find the mean, variance, and standard deviation for a set of numbers How to manually find the mean, variance, and standard deviation for a set of numbers
Rhythmic compression to gluteal muscles using the fist. Press into the large gluteal muscles moving ... Rhythmic compression to gluteal muscles using the fist. Press into the large gluteal muscles moving ...
Video: The life cycle of protein

For a complete list of videos, visit our video library