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

Author Question: The expected value, E(X), of a binomial probability distribution with n trials and probability p of ... (Read 144 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
on: Jun 24, 2018
The expected value, E(X), of a binomial probability distribution with n trials and probability p of success is:
 a. n + p
  b. np(1 - p)
  c. np
  d. n + p - 1

Question 2

If n = 20 and p = 0.70, then the standard deviation of the binomial distribution is
 a. 0.14
  b. 2.05
  c. 14.0
  d. 14.7


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dmurph1496

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


ap345

  • Member
  • Posts: 537
Reply 2 on: Jun 24, 2018
Excellent

deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion The four processes of pharmacokinetics: absorption, distribution, metabolism, and excretion
Distribution of the Old World monkeys. Distribution of the Old World monkeys.
The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle. The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle.
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE
The distribution of Neandertal and Denisovan DNA in the modern human genome The distribution of Neandertal and Denisovan DNA in the modern human genome
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library