Mathematics, 22.03.2021 18:30, kathyc53
Students at Prai High are allowed to sign up for one English class each year. The numbers of students signing up for various Endasses for the next school year are given in the following
table
Grade English English English English IV Total
roth 00 105 20
260
1111 35
40
115
10
200
12 10
00
145
270
Total 103 230 225
170 730
Part Al What is the probability that a student will take English IV? (2 points)
Part B Whis the probability that an 11th grader will take either English Il or English 1117 (7 polnts)
Part I What is the probability that a student will take English III given that he or she is in the 11th grade? (2 points)
Part Di consider the events "A student takes English I" and "A student is a 10th grader. " Are these events independent? Justify your answer. (points) (10 points)
Answers: 2
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Students at Prai High are allowed to sign up for one English class each year. The numbers of student...
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