Math Problem Statement
A simple random sample of size
nequals=4040
is drawn from a population. The sample mean is found to be
107.5107.5,
and the sample standard deviation is found to be
17.517.5.
Is the population mean greater than
100100
at the
alphaαequals=0.100.10
level of significance?
Question content area bottom
Part 1
Determine the null and alternative hypotheses.
Upper H 0H0:
mu equals 100μ=100
Upper H 1H1:
mu greater than 100μ>100
Part 2
Compute the test statistic.
t 0t0
equals=enter your response here
(Round to two decimal places as needed.)
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Onesample ttest
Formulas
ttest statistic formula: t = (x̄  μ) / (s / √n)
Theorems

Suitable Grade Level
High School