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Author Question: Exhibit 6-7The weight of items produced by a machine is normally distributed with a mean of 8 ounces ... (Read 91 times)

Maddie9229

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on: Mar 25, 2023

Question 1

Exhibit 6-7
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.


Refer to Exhibit 6-7. What is the probability that a randomly selected item will weigh between 11 and 12 ounces?


◦

0.4772


◦

0.4332


◦

0.9104


◦

0.0440



Question 2

Exhibit 6-7
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.


Refer to Exhibit 6-7. What percentage of items will weigh at least 11.7 ounces?


◦

46.78%


◦

96.78%


◦

3.22%


◦

53.22%

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Maddie9229 on Mar 25, 2023

tharris7314

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Reply #1 on: Mar 25, 2023
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Maddie9229

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Reply 2 on: Mar 25, 2023
:D TYSM

elyse44

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Reply 3 on: Yesterday
Wow, this really help

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