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Author Question: The random variable x has the following probability distribution:xf(x)0.251.202.153.304.10a.Is this ... (Read 58 times)

Bobvance

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on: Mar 25, 2023

The random variable x has the following probability distribution:

 

x

f(x)

0

.25

1

.20

2

.15

3

.30

4

.10


 

a.Is this probability distribution valid? Explain and list the requirements for a valid probability distribution.
b.Calculate the expected value of x.
c.Calculate the variance of x.
d.Calculate the standard deviation of x.

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

SphnxKickin

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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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Bobvance

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Reply 2 on: Mar 25, 2023
Wow, this really help

brbarasa

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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