A professional employee in a large corporation receives an average of μ = 39.9 e-mails per day. Most of these e-mails are from other employees in the company. Because of the large number of e-mails, employees find themselves distracted and are unable to concentrate when they return to their tasks. In an effort to reduce distractions caused by such interruptions, one company established a priority list that all employees were to use before sending an e-mail. One month after the new priority list was put into place, a random sample of 45 employees showed that they were receiving an average of = 33.6 e-mails per day. The computer server through which the e-mails are routed showed that σ = 17.3. Has the new policy had any effect? Use a 5% level of significance to test the claim that there has been a change (either way) in the average number of e-mails received per day per employee. Find (or estimate) the P-value. Group of answer choices 0.996 0.015 0.004 0.993 0.985
A professional employee in a large corporation receives an average of μ = 39.9 e-mails per day. Most of these e-mails are from other employees in the company. Because of the large number of e-mails, employees find themselves distracted and are unable to concentrate when they return to their tasks. In an effort to reduce distractions caused by such interruptions, one company established a priority list that all employees were to use before sending an e-mail. One month after the new priority list was put into place, a random sample of 45 employees showed that they were receiving an average of = 33.6 e-mails per day. The computer server through which the e-mails are routed showed that σ = 17.3. Has the new policy had any effect? Use a 5% level of significance to test the claim that there has been a change (either way) in the average number of e-mails received per day per employee. Find (or estimate) the P-value. Group of answer choices 0.996 0.015 0.004 0.993 0.985
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 8P
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Question
A professional employee in a large corporation receives an average of μ = 39.9 e-mails per
day. Most of these e-mails are from other employees in the company. Because of the large
number of e-mails, employees find themselves distracted and are unable to concentrate when
they return to their tasks. In an effort to reduce distractions caused by such interruptions, one
company established a priority list that all employees were to use before sending an e-mail.
One month after the new priority list was put into place, a random sample of 45 employees
showed that they were receiving an average of = 33.6 e-mails per day. The computer
server through which the e-mails are routed showed that σ = 17.3. Has the new policy had
any effect? Use a 5% level of significance to test the claim that there has been a change
(either way) in the average number of e-mails received per day per employee. Find (or
estimate) the P-value.
day. Most of these e-mails are from other employees in the company. Because of the large
number of e-mails, employees find themselves distracted and are unable to concentrate when
they return to their tasks. In an effort to reduce distractions caused by such interruptions, one
company established a priority list that all employees were to use before sending an e-mail.
One month after the new priority list was put into place, a random sample of 45 employees
showed that they were receiving an average of = 33.6 e-mails per day. The computer
server through which the e-mails are routed showed that σ = 17.3. Has the new policy had
any effect? Use a 5% level of significance to test the claim that there has been a change
(either way) in the average number of e-mails received per day per employee. Find (or
estimate) the P-value.
Group of answer choices
0.996
0.015
0.004
0.993
0.985
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