The probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
<h3>Probability</h3>
Given:
Beginner book=2
Intermediate book=6
Instructional piano books=11
Advanced books=3
Hence:
Probability=(2×3)÷(11×11)
Probability=6/121
Therefore the probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
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Answer:
x=15
Step-by-step explanation:
(10*9)/6=10*x/10
90/6=x
15=x
Answer:
40% and 60%
╰(*°▽°*)╯
Step-by-step explanation:
60% of 17 is 10.2 making 40% and 60% the closest choice to 9
So, the answer would be 40% and 60%
╰(*°▽°*)╯
Answer:tan c
Step-by-step explanation: