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Author Question: If is the mean and is the standard deviation of a normal distribution, then which of the following ... (Read 95 times)

mwit1967

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on: May 5, 2020

Question 1

Consider the normal distribution given below and assume that P is a point of inflection of the curve.


Find the first quartile Q1 of the distribution rounded to the nearest meter.
◦ 149 m
◦ 104 m
◦ 115 m
◦ 150 m
◦ 58 m

Question 2

If μ is the mean and σ is the standard deviation of a normal distribution, then which of the following statements is true?
◦ μ and σ must always be positive numbers.
◦ σ must always be positive, μ can be positive or negative.
◦ μ must always be positive, σ can be positive or negative.
◦ μ must always be bigger than σ.
◦ none of these
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by mwit1967 on May 5, 2020

snackralk

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Reply #1 on: May 5, 2020
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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mwit1967

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Reply 2 on: May 5, 2020
YES! Correct, THANKS for helping me on my review

parshano

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Reply 3 on: Yesterday
Excellent

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