The amount of daily time that teenagers spend on a brand a cell phone is normally distributed with a given mean of 2.5 hr and standard deviation of 0.6 hr. what percentage of the teenagers spend more than 3.1 hr?

5%
10%
16%
32%

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range

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