The average mark on a test written by six students was 24 marks. If no student scored less than 21 marks, what was the maximum possible score for any one student?
624
A) 27
B) 29
C) 39
D) 40
E) 45 2)

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator