MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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It’s a Part a and part b problem.
Transcribed Image Text:You want to by a typist for a local company. As part of the application process,
they have you type for one minute 36 times. You did this and they found that you typed an average of
49 words per minute with a standard deviation of 5 words. Their policy is that they hire people who type
50 words per minute, so you did not make the cut. The boss of the company calls you in and says that
you barely missed the cut and wants to offer you an opportunity to show that you should be hired.
You say, "Lets test the idea that I have a mean typing rate of 50 words per minute against the hypothesis
that I type less than 50 words per minute. If our Ho is not rejected." Your boss is impressed and tells
you to run the test. Run the test and tell me if you get the job.
I apply for the same job and type 20 words per minute with a standard deviation
of 5 words in my 36 timed trials. I make the same pitch that you did. How many more words per minute
would I need to have typed in order to get the job?
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