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

Author Question: As the sample size increases, the _____. a. standard deviation of the population decreases b. ... (Read 154 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
As the sample size increases, the _____.
 a. standard deviation of the population decreases
  b. population mean increases
  c. standard error of the mean decreases
  d. standard error of the mean increases

Question 2

Twenty-five percent of all rsums received by a corporation for a management position are from females. Fifteen rsums will be received tomorrow.
 a. Define the random variable in words for this experiment.
  b. What is the probability that exactly 5 of the rsums will be from females?
  c. What is the probability that fewer than 3 of the rsums will be from females?
  d. What is the expected number of rsums from women?
  e. What is the variance of the number of rsums from women?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a. x = the number of rsums out of 15 that are from females
b. .1651
c. .2361
d. 3.75
e. 2.8125


jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jun 24, 2018
Correct answers!


sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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?

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?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Sandia ear-plug-sized samplers hang poised to sample gases relevant to climate and weather. Sandia ear-plug-sized samplers hang poised to sample gases relevant to climate and weather.
The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa
Chimpanzees and horses have brains that are similar in size. Chimpanzees and horses have brains that are similar in size.
In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
Does Intelligence Increase with Brain Size? Does Intelligence Increase with Brain Size?
Poverty and population growth Poverty and population growth
Video: Muscular System Animation

For a complete list of videos, visit our video library