SOLUTION: Please help me solve the two questions:
1.A person selects 3 letters randomly from 26 upper case letters of English alphabet. Find the probability that Z does not come in these t
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-> SOLUTION: Please help me solve the two questions:
1.A person selects 3 letters randomly from 26 upper case letters of English alphabet. Find the probability that Z does not come in these t
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Question 906920: Please help me solve the two questions:
1.A person selects 3 letters randomly from 26 upper case letters of English alphabet. Find the probability that Z does not come in these three letters.
2.A student arranges letters of the word UNIVERSITY randomly. What is the probability that two numbers of ‘I’ do not come together. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Please help me solve the two questions:
1.A person selects 3 letters randomly from 26 upper case letters of English alphabet. Find the probability that Z does not come in these three letters.
# of ways to succeed: 25C3
# of random triples:: 26C3
P(no Z in 3) = 25C3/26C3 = 0.8846
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2.A student arranges letters of the word UNIVERSITY randomly. What is the probability that two numbers of ‘I’ do not come together.
# of possible arrangements:: 10!/2! = 1814400
# of ways the 2 I's CAN come together:: 9
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P(I's do not come together) (1814400-9)/1814400)
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Cheers,
Stan H.
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