Over the years, a math instructor has recorded the gradesthat she awards on a particular exam. The results are shownin the table to the right.Part 1 – Howmany students in a typical class of 30 would sheexpect to score more than 95%?Part 2 – Howmany students in a typical class of 30 would sheexpect to score more than 85%?Part3 – If she wanted to set the pass mark so that 65% of students passed and 35%failed, what  pass mark would she use?Part 4 – This year, there are 5 studentsin a class of 38 who scored over 95%. What’s the chance of this happeningrandomly?YourCalculations   GradesStudents 1 to 55 6 to 101 11 to 150 16 to 201 21 to 251 26 to 306 31 to 3518 36 to 4047 41 to 4595 46 to 50183 51 to 55251 56 to 60260 61 to 65252 66 to 70249 71 to 75220 76 to 80200 81 to 85180 86 to 90160 91 to 95140 96 to 100851.xlsx