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

Author Question: A sample of 92 observations is taken from a process (an infinite population). The sampling ... (Read 174 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jun 24, 2018
A sample of 92 observations is taken from a process (an infinite population). The sampling distribution of is approximately normal because _____.
 a. x is always approximately normally distributed
  b. the sample size is small in comparison to the population size
  c. of the central limit theorem
  d. None of the answers is correct.

Question 2

Sandy's Pet Center grooms large and small dogs. It takes Sandy 40 minutes to groom a small dog and 70 minutes to groom a large dog. Large dogs account for 20 of Sandy's business. Sandy has 5 appointments tomorrow.
 a. What is the probability that all 5 appointments tomorrow are for small dogs?
  b. What is the probability that 2 of the appointments tomorrow are for large dogs?
  c. What is the expected amount of time to finish all 5 dogs tomorrow?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a. .3277
b. .2048
c. 230 minutes


tiara099

  • Member
  • Posts: 588
Reply 2 on: Jun 24, 2018
Wow, this really help

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Deviancy training is a process by which antisocial peers encourage antisocial talk among friends, ... Deviancy training is a process by which antisocial peers encourage antisocial talk among friends, ...
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
Write the equation for the population y at any instant Write the equation for the population y at any instant
The level of future emissions is closely linked to the rate of population growth The level of future emissions is closely linked to the rate of population growth
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: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library