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

Author Question: A normal distribution has a mean of 55, and about 25% of the values are above 65. Approximately what ... (Read 84 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: May 26, 2021

Question 1

Let X have density function f(x), where f(x) = when x ≥  1.  Find the mean and standard deviation of X.
◦ μ = 1,  σ = 3
◦ μ = 2,  σ = 3
◦ μ = 2,  σ = 2
◦ μ = 2,  σ = does not exist
◦ neither the mean nor the standard deviation exist

Question 2

A normal distribution has a mean of 55, and about 25% of the values are above 65.  Approximately what is the standard deviation for this distribution?
◦ 13
◦ 18
◦ 20
◦ 15
◦ 10
Calculus: A Complete Course ¦ Adams, Essex ¦ 8th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by vHAUNG6011 on May 26, 2021

Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: May 26, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


vHAUNG6011

  • Member
  • Posts: 514
Reply 2 on: May 26, 2021
:D TYSM

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Congruence among values, beliefs, and role requirements supports the development of empowered ... Congruence among values, beliefs, and role requirements supports the development of empowered ...
The normal and constricted airway. The normal and constricted airway.
Distribution and Forms of Precipitation: Graupel and Hail Distribution and Forms of Precipitation: Graupel and Hail
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Finding the graph of a Parabola using certain values Finding the graph of a Parabola using certain values
Distribution of Fluids in a Human Body Distribution of Fluids in a Human Body
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library