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Author Question: A personnel manager believes that a particular employee produces more defective parts than his ... (Read 84 times)

desireelg_7

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Question 1

A continuous population has a mean of 210.51 and a standard deviation of 10.31. Suppose we know that the population is normally distributed. Compute the smallest interval centered on the mean that will contain 95% of the observations.

(200.20, 220.82)


(164.40, 256.62)


(179.58, 241.44)


(189.89, 231.13)



Question 2

A personnel manager believes that a particular employee produces more defective parts than his peers. The manager records the worker’s production over the course of several weeks. Out of 315 parts produced, 11 are defective. Calculate\(\style{font-family:Times New Roman;}{\widehat p}\)(the sample proportion) if we define a defective part as a “success.”

0.035


11


28.64


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Marked as best answer by desireelg_7 on Feb 26, 2023

miro2222

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desireelg_7

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Reply 2 on: Feb 26, 2023
Gracias!


daiying98

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Reply 3 on: Yesterday
:D TYSM

 

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