Essay
A sample of 64 account balances from a credit company showed an average daily balance of $1,040. The standard deviation of the population is known to be $200. We are interested in determining if the mean of all account balances (i.e., population mean) is significantly different from $1,000.
a.Develop the appropriate hypotheses for this problem.
b.Compute the test statistic.
c.Compute the p-value.
d.Using the p-value approach at 95% confidence, test the above hypotheses.
e.Using the critical value approach at 95% confidence, test the hypotheses.
Correct Answer:

Verified
a.Ho:
=1000
Ha:
1000
b.1.60
c.0.1096
d.Th...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
Ha:
b.1.60
c.0.1096
d.Th...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q106: Consider the following hypothesis test:<br>H<sub>o</sub>: <span
Q107: A student believes that the average grade
Q108: The critical value of t for a
Q109: The average price of homes sold in
Q110: Exhibit 9-4<br>The manager of a grocery store
Q112: For a lower tail test, the p-value
Q113: Exhibit 9-9<br>The sales of a grocery store
Q114: Exhibit 9-8<br>The average gasoline price of one
Q115: In a lower one-tail hypothesis test situation,
Q116: If a hypothesis is rejected at the