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

Author Question: A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22 . The ... (Read 51 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22 . The population standard deviation is known to equal 4.8 . The 95.44 confidence interval for the population mean is _____.
 a. 15.2 to 24.8
  b. 19.2 to 20.8
  c. 19.216 to 20.784
  d. 21.2 to 22.8

Question 2

The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. What is the random variable in this experiment?
 a. Weight of football players
  b. 200 pounds
  c. 25 pounds
  d. Normal distribution


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jun 24, 2018
Wow, this really help

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Generalized transduction by random incorporation of bacterial DNA into phage heads Generalized transduction by random incorporation of bacterial DNA into phage heads
William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
Sample Advance Directive Cont. Sample Advance Directive Cont.
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Mendel’s observations about segregation and independent assortment are explained by the behavior ... Mendel’s observations about segregation and independent assortment are explained by the behavior ...
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Video: Acid-base imbalances - compensation of respiratory acidosis and alkalosis

For a complete list of videos, visit our video library