Answer:
The test statistic t of the sample is -0.804.
There is sufficient evidence to ascertain that the average number of years of work experience of MBA applicants is less than 3 years.
Explanation:
Null hypothesis: The average number of years of work experience of MBA applicants is 3 years.
Alternate hypothesis: The average number of yet of work experience of MBA applicants is less than 3 years.
Test statistic (t) = (sample mean - population mean) ÷ sd/√n
sample mean = 2.57
population mean = 3
sd = 3.67
n = 47
t = (2.57 - 3) ÷ 3.67/√47 = -0.43 ÷ 0.535 = -0.804
Assuming a 5% significance level
degree of freedom = n - 1 = 47 - 1 = 46
The critical value corresponding to 46 degrees of freedom and 5% significance level is 2.013.
Conclusion:
Reject the null hypothesis because the test statistic -0.804 is less than the critical value 2.013.
The years of work experience of MBA applicants is less than 3.
Answer:
Prosecutors of this case can use the net worth method to determine the extent these executives have been receiving illegal incomes by computing their wealth at the beginning and at the end of the period under investigation.
There will be an increase in the executives wealth, and since this increase cannot be traced to any legal income source, it will become taxable income, with the calculated penalties and fines.
Explanation:
The net worth method specifies that any increase in wealth, which is not traced to non-taxable sources, should be determined as a taxable income for the period under review. Ordinarily, the net worth is the difference between assets and liabilities. Since the executives use the money personally at their convenience, this will increase their personal wealth.
Interesting...............
Answer: 0.1282
Explanation:
Total number of possible outcome( total candidates) = 13
Total number of men = 13 - 8 = 5
Total number of women = 8
Number of candidates to be selected = 2
Find the probability that both are men :
Probability of 1st candidate being a male = required outcome ÷ total possible outcome = 5/13
Probability of second candidate being a male, means we now have 4 men left and a total of 12 = 4/12
Therefore, P = (5/13) × (4/12)
P = (5/13) ×(1/3) = 5/39 = 0.1282