Educational qualifications B.Com. 66. The records of 400 examinees are given below: Total Scores В.А. B.Sc. 30 60 180 Below 50 90 70 70 160 Between 50 and 60 20 10 30 20 60 Above 60 120 130 150 ol 400 Total If an examinee is selected from this group of examinees, find () the probability that he is a commerce graduate, (i) the probability that he is a science graduate, given that his score is above 60, (ii) the probability that his score is below 50, given that he is a B.A.
Educational qualifications B.Com. 66. The records of 400 examinees are given below: Total Scores В.А. B.Sc. 30 60 180 Below 50 90 70 70 160 Between 50 and 60 20 10 30 20 60 Above 60 120 130 150 ol 400 Total If an examinee is selected from this group of examinees, find () the probability that he is a commerce graduate, (i) the probability that he is a science graduate, given that his score is above 60, (ii) the probability that his score is below 50, given that he is a B.A.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 50E: Medicine Out of a group of 9 patients treated with a new drug, 4 suffered a relapse. Find the...
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Transcribed Image Text:Educational qualifications
B.Com.
alin
66. The records of 400 examinees are given below :
Total
B.A.
B.Sc.
Scores
30
60
180
Below 50
90
70
70
160
Between 50 and 60
20
10
30
20
60
Above 60
Total
120
130
150
400
If an examinee is selected from this group of examinees, find
() the probability that he is a commerce graduate,
(il) the probability that he is a science graduate, given that his score is above 60,
(ii) the probability that his score is below 50, given that he is a B.A.
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