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Author Question: If the mean of a normal distribution is negative, (Read 62 times)

hgjjghgjh

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on: Mar 25, 2023

Question 1

Given that Z is a standard normal random variable. What is the value of Z if the area between -Z and Z is 0.754?


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1.16


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1.96


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2.0


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11.6



Question 2

If the mean of a normal distribution is negative,


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the standard deviation must also be negative


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the variance must also be negative


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a mistake has been made in the computations, because the mean of a normal distribution cannot be negative


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None of these alternatives is correct.

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

sin

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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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hgjjghgjh

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Reply 2 on: Mar 25, 2023
:D TYSM

Mochi

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Reply 3 on: Yesterday
Wow, this really help

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