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

Author Question: A finite population correction factor is needed in computing the standard deviation of the sampling ... (Read 262 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
A finite population correction factor is needed in computing the standard deviation of the sampling distribution of sample means _____.
 a. whenever the population is infinite
  b. whenever the sample size is more than 5 of the population size
  c. whenever the sample size is less than 5 of the population size
  d. The correction factor is not necessary if the population has a normal distribution.

Question 2

A production process produces 90 non-defective parts. A sample of 10 parts from the production process is selected.
 a. Define the random variable in words for this experiment.
  b. What is the probability that the sample will contain 7 non-defective parts?
  c. What is the probability that the sample will contain at least 4 defective parts?
  d. What is the probability that the sample will contain less than 5 non-defective parts?
  e. What is the probability that the sample will contain no defective parts?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a. x = the number of non-defective parts out of 10 or y = the number of defective parts out of 10
b. .0574
c. .0128
d. .0001
e. .3487


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Jun 24, 2018
Excellent

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Photoidentification and the North Atlantic humpback whale population. Photoidentification and the North Atlantic humpback whale population.
Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
Calculating the Deviation IQ Score Calculating the Deviation IQ Score
Time vs. USA Population Exponential Time vs. USA Population Exponential
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library