Which alternative? In each of the following situations,is the alternative hypothesis one-sided or two-sided?What are the hypotheses?a) A college dining service conducts a survey to see ifstudents prefer plastic or metal cutlery. b) In recent years, 10% of college juniors have appliedfor study abroad. The dean’s office conducts a surveyto see if that’s changed this year.c) A pharmaceutical company conducts a clinical trial tosee if more patients who take a new drug experienceheadache relief than the 22% who claimed relief aftertaking the placebo.d) At a small computer peripherals company, only 60% of the hard drives produced passed all their perfor-mance tests the first time. Management recently in-vested a lot of resources into the production system and now conducts a test to see if it helped.
Which alternative? In each of the following situations,is the alternative hypothesis one-sided or two-sided?What are the hypotheses?a) A college dining service conducts a survey to see ifstudents prefer plastic or metal cutlery. b) In recent years, 10% of college juniors have appliedfor study abroad. The dean’s office conducts a surveyto see if that’s changed this year.c) A pharmaceutical company conducts a clinical trial tosee if more patients who take a new drug experienceheadache relief than the 22% who claimed relief aftertaking the placebo.d) At a small computer peripherals company, only 60% of the hard drives produced passed all their perfor-mance tests the first time. Management recently in-vested a lot of resources into the production system and now conducts a test to see if it helped.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Which alternative? In each of the following situations,
is the alternative hypothesis one-sided or two-sided?
What are the hypotheses?
a) A college dining service conducts a survey to see if
students prefer plastic or metal cutlery.
b) In recent years, 10% of college juniors have applied
for study abroad. The dean’s office conducts a survey
to see if that’s changed this year.
c) A pharmaceutical company conducts a clinical trial to
see if more patients who take a new drug experience
headache relief than the 22% who claimed relief after
taking the placebo.
d) At a small computer peripherals company, only 60%
for study abroad. The dean’s office conducts a survey
to see if that’s changed this year.
c) A pharmaceutical company conducts a clinical trial to
see if more patients who take a new drug experience
headache relief than the 22% who claimed relief after
taking the placebo.
d) At a small computer peripherals company, only 60%
of the hard drives produced passed all their perfor-
mance tests the first time. Management recently in-
vested a lot of resources into the production system
mance tests the first time. Management recently in-
vested a lot of resources into the production system
and now conducts a test to see if it helped.
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