QUESTION 8 Suppose X - N(12, 4), find the probability of P(X>10) is: O 0.3585 O 0.4678 O 0.0362 O 0.6915

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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QUESTION 8
Suppose X - N(12, 4), find the probability of P(X>10) is:
O 0.3585
O 0.4678
0.0362
0.6915
QUESTION 9
Let X be the SAT score in this year. Assume X - N(550, 80). Assume
your score is 600. Find your ranking, that is, the percentage of all students whose
scores below yours
70
76
73
O 81
Transcribed Image Text:QUESTION 8 Suppose X - N(12, 4), find the probability of P(X>10) is: O 0.3585 O 0.4678 0.0362 0.6915 QUESTION 9 Let X be the SAT score in this year. Assume X - N(550, 80). Assume your score is 600. Find your ranking, that is, the percentage of all students whose scores below yours 70 76 73 O 81
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