MATH 115_Midterm Quiz No. 2 (Set Y. 1. The letters in the word SQUARE are to be arranged. How many ways can these letters be arranged in a line? 120 O 720 270

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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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MATH 115_Midterm Quiz No. 2 (Set Y.
1. The letters in the word SQUARE are to be
arranged. How many ways can these
letters be arranged in a line?
O 120
O 720
O 270
210
2. A concrete vibrator has a probability of
0.80 to operate satisfactorily while that
of the placing boom is 0.75. What is the
probability that both the concrete
vibrator and placing boom operate
satisfactorily?
Transcribed Image Text:Gl 96% 4 3:03 PM MATH 115_Midterm Quiz No. 2 (Set Y. 1. The letters in the word SQUARE are to be arranged. How many ways can these letters be arranged in a line? O 120 O 720 O 270 210 2. A concrete vibrator has a probability of 0.80 to operate satisfactorily while that of the placing boom is 0.75. What is the probability that both the concrete vibrator and placing boom operate satisfactorily?
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