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Consider the following hypotheses: H 0 : mu = 4 5 0 HA: mu ! = 4 5 0 The population is normally
Consider the following hypotheses:
H: mu
HA: mu
The population is normally distributed with a population standard deviation of You may find it useful to reference the appropriate table: z table or t table
a Calculate the value of the test statistic with x
and n Round final answer to decimal places.
a What is the conclusion at the significance level?
multiple choice
Do not reject H since the pvalue is greater than the significance level.
Do not reject H since the pvalue is less than the significance level.
Reject H since the pvalue is greater than the significance level.
Reject H since the pvalue is less than the significance level.
a Interpret the results at alpha
multiple choice
We cannot conclude that the population mean differs from
We conclude that the population mean differs from
We cannot conclude that the sample mean differs from
We conclude that the sample mean differs from
b Calculate the value of the test statistic with x
and n Negative value should be indicated by a minus sign. Round final answer to decimal places.
b What is the conclusion at the significance level?
multiple choice
Do not reject H since the pvalue is less than the significance level.
Do not reject H since the pvalue is greater than the significance level.
Reject H since the pvalue is less than the significance level.
Reject H since the pvalue is greater than the significance level.
b Interpret the results at alpha
multiple choice
We cannot conclude that the population mean differs from
We conclude that the population mean differs from
We cannot conclude that the sample mean differs from
We conclude that the sample mean differs from
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