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

Author Question: A random sample of 36 students at a community college showed an average age of 25 years. Assume the ... (Read 95 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
on: Jun 24, 2018
A random sample of 36 students at a community college showed an average age of 25 years. Assume the ages of all students at the college are normally distributed with a standard deviation of 1.8 years. The 98 confidence interval for the average age of all students at this college is _____.
 a. 24.301 to 25.699
  b. 24.385 to 25.615
  c. 23.200 to 26.800
  d. 23.236 to 26.764

Question 2

Excel's EXPON.DIST function can be used to compute _____.
 a. exponents
  b. exponential probabilities only
  c. cumulative exponential probabilities only
  d. both exponential and cumulative exponential probabilities


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macmac

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

d


genevieve1028

  • Member
  • Posts: 601
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old. Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old.
Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2 Ethnic Differences in Financial Support for College Based on a sample of 304 emerging adults aged 2
Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig
Sample Stress Management Program Sample Stress Management Program
Experiments that showed DNA to be the genetic substance Experiments that showed DNA to be the genetic substance
Agriculture in 10,000 years ago Agriculture in 10,000 years ago
Video: Neural Reflex Arc Animation

For a complete list of videos, visit our video library