SOLUTION: The time taken for healthy Canadian adults to complete a logic problem is believed to be Normally distributed with mean 40 seconds and standard deviation 4 seconds. It is of intere

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Question 1176825: The time taken for healthy Canadian adults to complete a logic problem is believed to be Normally distributed with mean 40 seconds and standard deviation 4 seconds. It is of interest to investigate whether UBC students perform better on average than healthy adult Canadians, so the logic problem is given to a sample of 80 UBC students, and their times to solution are recorded.

Part a) Which of the following

Part b) In testing a hypothesis

Part c) You would take the alternative hypothesis to be:
one-sided, left-tailed
two-sided.
one-sided,

Part d) Suppose that, based on


Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
.

It is against the common sense and against the good style to write/(to post) so long messages to this forum.


To teach you EFFECTIVELY to good style and to the rules of this forum, I deleted / damaged your post,

so now it is good for only to throw it to a GARBAGE BIN.


Have a nice day (!)