1) At a gathering of 192 college students their grade-group and major were recor
ID: 3355682 • Letter: 1
Question
1) At a gathering of 192 college students their grade-group and major were recorded as follows Major Grade-Group A-student B-student C-student Total Biology Nursing Math Accounting Tota 30 20 72 10 30 10 50 10 10 10 30 10 20 10 40 52 90 50 192 f a student is selected at random from this group, find the probability that the student is: Question Answer A Biology major A Biology major or an A student. A Nursing major and a 8-student. A Nursing major or a Biology major. A math major and a Biology major An Accounting major given that they are an A-student A B-student given that they are a Math major. It was discovered that 80% of Yale college students finish their course of study during the required time. In a group of 32 students, find the probability that 2) Answer Question a) 25 students finish their course on time. b) Less than 30 finish their course on time, c] Between 25 and 27 (inclusive) finish on timeExplanation / Answer
Solving question 1
a) Biology Major = 72/192 = 3/8
b) Biology Major or A- = 72+30 /192 = 102/192
c) Nursing major and B- = 30/192=5/32
d) nursing or bioloy major =72+50/192=122/192
e) Math major and biology major = 0/192
f) Accounting/A- student = 10/52
g) B-/Math = 10/30=1/3
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