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The mean monthly sale of a particular household item in department stores was observed as 133.3 units per store. After an advertising campaign, data on sales of this item from 25 stores were collected and it is found that the mean sales have increased to 141.5 units with a standard deviation of 15.2 units. Was the advertising campaign successful? Assume that level of significance is 5%.
Suppose the government raises govt. expenditure by 20% in order to increase aggregate demand. Show how this policy results in the crowding out effect.
Since quantitative credit control instruments are more targeted and more objective it is always advisable that they be applied at all times over the selective instruments .true or false . explain
a machinist was tasked to insert an aluminum piston into a steel cylinder. the inside diameters of the cylinder and of the piston are 0.500 m and 0. 4998 m, respectively, at 25 degree Celsius. To what temperature must the be heated to obtain a perfect fir?
Given Demand Function Qd=40-2p And Supply Function 2p-Qs=20 Assume The Gov.T Increase Atax Of T Per Unit On Quantitiy Supplied And The Producer Adjust The Supply Function To Include The Tax
A) Find The Tax Rate At Which Tax Revenu Is Maximum?
B) Find The Maximum Revenu Which Can Be Obtained From A Function?
Given Demand Function Qd=40-2p And Supply Function 2p-Qs=20 Assume The Gov.T Increase Atax Of T Per Unit On Quantitiy Supplied And The Producer Adjust The Supply Function To Include The Tax
A) Find The Tax Rate At Which Tax Revenu Is Maximum?
B) Find The Maximum Revenu Which Can Be Obtained From A Function?
QD = 25 - 3P and QS = 10 + 2P, write the inverse demand function
A basket contains 10 ripe and 4 unripe bananas. If three bananas are taken from the basket one after the other, determine the possible values of the random variable U representing the number of unripe bananas
Answer True or False, then justify your response with practical economic examples:
a. The introduction of mobile money transfers and ATMs has reduced the demand for money tending to lower interest rates. (5 marks)
b. Open Market Operations are more effective in a developing country like Kenya when compared with the Bank Rate Policy. (5 marks)
c. Since Quantitative credit control instruments are more targeted and more objective, it is always advisable that they be applied at all times over the Selective instruments. (5 marks)
d. Inflation is always associated with more money chasing few goods. (5 marks)
From the past experience of software quality testing, it is known that the probability of the presence of an error in coding is 0.05. If the probability of a tester detecting an error when the error is present is 0.78 and the probability of incorrectly detecting an error when the error is present is 0.78 and the probability of incorrectly detecting an error when the error is not present is 0.06 (a) What is the probability that a code is tested as having an error? (b) What is the probability that a code tested as having an error when the error is present?
