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 213 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
Great answer, keep it coming :)

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ... Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ...
Probability Values of Chi-Square Analysis Probability Values of Chi-Square Analysis
Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate
In 2000, the average charge of tax preparation was 95 . Assuming a normal distribution and a ... In 2000, the average charge of tax preparation was 95 . Assuming a normal distribution and a ...
Pascal’s triangle of binomial coefficients (p + q) raised to the nth power Pascal’s triangle of binomial coefficients (p + q) raised to the nth power
Distribution of fluid compartments in the body Distribution of fluid compartments in the body
Video: Bipolar Disorder

For a complete list of videos, visit our video library