This topic contains a solution. Click here to go to the answer

Author Question: A random sample of 36 students at a community college showed an average age of 25 years. Assume the ... (Read 86 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
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
Answer to Question 1

a

Answer to Question 2

d




genevieve1028

  • Member
  • Posts: 601
Reply 2 on: Jun 24, 2018
Wow, this really help


bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

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).

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library