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

Author Question: A random variable X is normally distributed with mean 100 and standard deviation 20. Below what ... (Read 39 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: May 26, 2021

Question 1

The random variable T has density function f(t), where f(t) = λ e-λt if t ≥ 0 and λ is a positive constant.  Find the standard deviation of T.
◦
◦
◦
◦
◦

Question 2

A random variable  X  is normally distributed with mean 100 and standard deviation 20.  Below what value of  X  does 25% of the probability lie?
◦ 90
◦ 89
◦ 85
◦ 87
◦ 83
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 sarasara on May 26, 2021

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
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


sarasara

  • Member
  • Posts: 521
Reply 2 on: May 26, 2021
:D TYSM

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Every flu season is different, and even healthy people can get extremely sick from the flu, as well as spread it to others. The flu season can begin as early as October and last as late as May. Every person over six months of age should get an annual flu vaccine. The vaccine cannot cause you to get influenza, but in some seasons, may not be completely able to prevent you from acquiring influenza due to changes in causative viruses. The viruses in the flu shot are killed—there is no way they can give you the flu. Minor side effects include soreness, redness, or swelling where the shot was given. It is possible to develop a slight fever, and body aches, but these are simply signs that the body is responding to the vaccine and making itself ready to fight off the influenza virus should you come in contact with it.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation
Variable Gases: Water Vapor Variable Gases: Water Vapor
Some Standard Shapes of Greek Vessels Some Standard Shapes of Greek Vessels
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Variable expressivity of Waardenburg syndrome Variable expressivity of Waardenburg syndrome
Video: Embryonic development - Week 4

For a complete list of videos, visit our video library