A pizza parlor puts coupons in 25 percent of its pizza boxes. answer the questions to find the experimental probability that a customer would need to buy exactly 4 pizzas before finding a coupon.
a. if you use the whole numbers 1-4 to represent getting or not getting a winning number what would the winning number(s) be?
b. What would the non-winning number(s) be?

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