Other Answers

 Wine is produced by the fermentation of fruit sugar, fructose, to alcohol. The chemical reaction is:

C6H12O6  C2H6O + CO2

If 938 g of fructose was used in the preparation of wine, what is the percent yield if, after the fermentation, 327 g ethanol was produced?

Briefly describe the process of pollination and sexual reproduction in flowing plants.

What has led to the shift toward mobility in computing?

The following data are obtained from the records of a factory Sales (40,000 units @ Br. 25 each) ............ Br. 100,000Less: Variable Costs.............................. 70,000Contribution Margin .............................30,000Less: Fixed Costs ................................. 18,000Net Profit .......................................... 12.000Required: Compute: 1)The number of units by selling which the company will neither loss or gain anything 2)The sales needed to earn a profit of 20% on sales 3)The extra units which should be sold to obtain the present profit if it is proposed to reduce the selling price by 25%4)The selling price to be fixed to bring down its break-even point to Br.500 units under present condition

a) Explain the concept and basic rules governing Ijarah

b) Discuss the rights and obligations of lessor and lessee

c) Illustrate lease as a mode of Islamic financing

Question 2

a) Explain the concept of deposit (liability) management in Islamic Banks

b) Describe the profit calculation mechanism and weightages assignment method as used in liabilities management in Islamic banks

TOPIC : REGRESSION

4. For the following data:

x | 0 | 1 | 3 | 5 | 8

y | 2 | 4 | 6 | 5 | 9

a. Draw the scatter plot.

b. Based on the scatter plot, predict the sign of the linear correlation coefficient. 

Explain your answer.

c. Compute the linear correlation coefficient and compare its sign to your answer to 

part (b).

d. Compute the least squares regression line.

TOPIC : REGRESSION

3. In each case state whether you expect the two variables x and y indicated to have positive, 

negative, or zero correlation.

a. the number x of pages in a book and the age y of the author

b. the number x of pages in a book and the age y of the intended reader

c. the weight x of an automobile and the fuel economy y in miles per gallon

d. the weight x of an automobile and the reading y on its odometer

e. the amount x of a sedative a person took an hour ago and the time y it takes him to 

respond to a stimulus

TOPIC : REGRESSION

1. A line has equation 𝑦 = 0.5𝑥 + 2.

a. Pick five distinct x-values, use the equation to compute the corresponding yvalues, and plot the five points obtained.

b. Give the value of the slope of the line; give the value of the y-intercept.

2. The age x in months and vocabulary y were measured for six children, with the results 

shown in the table.

x | 13 | 14 | 15 | 16 | 16 | 18

y | 8 | 10 | 15 | 20 | 27 | 30

Compute the linear correlation coefficient for these sample data and interpret its 

meaning in the context of the problem.

a) Explain the concept and basic rules governing a valid Islamic Istisna

b) Explain the concept of payment in Istisna

c) Explain the application of Istisna in Islamic corporate finance

d) Describe the possible risks that can arise while dealing in Istisna contracts

The probability of a telesales representative making a sale on a customer call is 0,15. Assuming this percentage holds true for future attempts, answer the following questions.

i. Find the probability that in the next 12 calls, the number of sales made is less than 2.

ii. Find the probability that in the next 15 calls, the number of sales made is more than 3.