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Author Question: The following table shows part of the probability distribution for a random variable ... (Read 34 times)

unreallynx

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on: Mar 25, 2023

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.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by unreallynx on Mar 25, 2023

Tussalpain

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Reply #1 on: Mar 25, 2023
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.
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unreallynx

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

ryhom

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Reply 3 on: Yesterday
:D TYSM

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