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Author Question: Solve the problem.Which of the following statements concerning areas under the standard normal ... (Read 52 times)

charchew

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on: Jan 18, 2020

Question 1

Find the requested percentile.

The weights of certain machine components are normally distributed with a mean of 8.62 grams and a standard deviation of 0.09 grams. Find the 97th percentile. Round your answer to  one decimal place.
◦ 8.7 grams
◦ 8.9 grams
◦ 8.8 grams
◦ 8.6 grams

Question 2

Solve the problem.

Which of the following statements  concerning areas under the standard normal distribution curve is/are true (if any)?
a. The area to the left of  -3 in a standard normal distribution curve is zero.
b. The area under a standard normal distribution curve between any two z-scores is greater than zero.
c. The area under the standard normal normal distribution curve between two z-scores will be negative if              
     both z-scores are negative.
d. The area under the standard normal distribution curve to the left of any z-score is less than 1.
◦ b, d
◦ a, b
◦ a
◦ a, c
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by charchew on Jan 18, 2020

kaykay69

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Reply #1 on: Jan 18, 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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charchew

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Reply 2 on: Jan 18, 2020
Excellent

blakcmamba

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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