A person receives a paycheck of d dollars. The person spends 18% of the paycheck on rent, 15% of the paycheck on insurance, and 22% of the paycheck

on food and puts the remainder of the paycheck into savings.

If the amount the person puts into savings can be

represented by the

expression d - 0.18d - 0.15d - 0.22d, which expression also represents the

amount the person puts into savings?

O 0.45d

O 0.550

O 1.450

O 1.550

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places