SHOW YOUR WORK 4.) On the Module 8 test, 60 of Mrs. Alcock's students earned B’s.
Before she finishes grading them, she wants to predict how many
students will earn B's on the Module 9 math test. Mrs. Alcock generates
a random sample using the first 20 tests she grades to determine how
many students earned B's(80%-89%).
91
88
87
65
76
100
77
56
81
72
85
93
75
88
94
81
83
92
78
86
Based on this sample, how many of Mrs. Alcock's 180 students
are expected to earn B's (80%-89%) on the Module 9 test?