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1 what is the central limit theorem and how is it applicable to hypothesis testing2 if the population standard
1 what is a p-value and how is it relevant to hypothesis testing2 the p-value for a hypothesis test has been reported
1 the p-value for a hypothesis test has been reported as 004 if the test result is interpreted using the alpha 001
the makers of count chocula breakfast cereal would like to determine within 2 percentage points and with 99 confidence
in a work-sampling study an industrial engineer has observed the activities of a clerical worker on 121 randomly
a researcher would like to determine within 3 percentage points and with 90 confidence the percentage of americans who
in a survey of 1320 executives who oversee corporate data systems 24 said they had experienced losses caused by
an airline would like to determine within 3 percentage points and with 95 confidence the percentage of next months
a consultant conducts a pilot study to estimate a population standard deviation then determines how large a simple
there are 1733 machinery rebuilding and repairing companies in the united states a tool manufacturer wishes to survey a
the colgate-palmolive company has 37700 employeesif the company wishes to estimate within 2 percentage points and with
to gain information about competitors products companies sometimes employ reverse engineering which consists of buying
a survey of business travelers found that 40 of those surveyed utilize hotel exercise facilities during their stayunder
a researcher believing to pi be no more than 040 calculates the necessary sample size for the confidence level and
a truck loaded with 8000 electronic circuit boards has just pulled into a firms receiving dock the supplier claims that
step by step to solve the problem -with this assignment you will find an excel file called speedingxlsx this
what is the difference between a null hypothesis and an alternative hypothesis is the null hypothesis always the same
a research firm has found that 39 of us adults in the over-75000 income category work at least 51 hours per
for a process having a known standard deviation a simple random sample of 35 items is selectedif the width of the 95
a simple random sample is to be drawn from a population of 800 in order to have 95 confidence that the sampling error
a simple random sample is to be drawn from a population of 2000 the population standard deviation has been estimated as
there are 100 members in the united states senate a political scientist wants to estimate with 95 confidence and within
a transportation company operates 200 trucks and would like to use a hidden speed monitor device to record the maximum
a research firm supports a consumer panel of 2000 households that keep written diaries of their weekly grocery
a university official wants to estimate with 99 confidence and within 2 the average amount that members of fraternities