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 176 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
YES! Correct, THANKS for helping me on my review

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

The biological process of nitrogen fixation The biological process of nitrogen fixation
Continuous variation in a natural population Continuous variation in a natural population
The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
Ovulation process Ovulation process
nursing process nursing process
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library