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 109 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 :)

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

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?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Common Health Problems in Community-Dwelling Older Adults Common Health Problems in Community-Dwelling Older Adults
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.
Sample Advance Directive Sample Advance Directive
Drinking Alcohol use by college students Drinking Alcohol use by college students
An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ... An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ...
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library