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Use the following to answer questions :
The variance of the prices of all college textbooks was 81.30 last year.A recent sample of 20 college textbooks produced a variance of their prices equal to 164.649.The null hypothesis is that the current variance of the prices of all college textbooks is equal to 81.30 and the alternative hypothesis is that the current variance of the prices of all college textbooks is greater than 81.30.Assume that the prices of college textbooks are normally distributed.The significance level is 1%.
-The critical value of chi-square is:
Reasonable Assurance
A level of confidence or certainty in the effectiveness of an organization's controls, processes, or systems, without guaranteeing absolute assurance.
Vulnerabilities
Weaknesses in a system or security setup that can be exploited by threats.
Customer's Note
It is a formal promissory note or debt instrument where the customer promises to pay a specific sum of money to the issuer, often used in business as a form of short-term financing.
Bank Statement Adjustment
The process of amending the balance in a company's record of its bank account to match the balance reported on the bank statement, often involving adding or subtracting items like checks or bank charges.
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