This topic contains a solution. Click here to go to the answer

Author Question: The following table shows part of the probability distribution for a random variable ... (Read 29 times)

unreallynx

  • Full Member
  • ***
  • Posts: 152

Question 1

The following probability distribution represents the number of grievances filed per month with the MNM. Corporation.

x

f(x)

0

0.04

1

0.36

2

0.50

3

0.08

4

0.02


a.

Determine the expected value of the number of grievances in a month.

b.

Determine the variance.

c.

Compute the standard deviation.



Question 2

The following table shows part of the probability distribution for a random variable x.

 

 

x

f(x)

0

0.2

1

?

2

0.15

3

?

4

0.15


 

a.

The mean of the above distribution is known to be 1.8 (i.e., E(x) = 1.8). Determine f(1) and f(3).

b.

Compute the variance and the standard deviation for the above probability distribution.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by unreallynx on Mar 25, 2023

Tussalpain

  • Full Member
  • ***
  • Posts: 189
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 29% of students answer this correctly




unreallynx

  • Member
  • Posts: 152
Reply 2 on: Mar 25, 2023
Wow, this really help


bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library