Mustafiz has 67 balls which are labeled with the numbers from 1 to 67. He draws out a ball from the bag, records down the number and then puts it back in the bag. He does this a total of 4 times (hence has 4 numbers). Now answer the following questions. i. What is the probability that all the numbers are different? [Give your answer upto 4 decimal places] ii. What is the probability that at least 2 of the numbers are equal? [Give your answer upto 4 decimal places]

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Mustafiz has 67 balls which are labeled with the
numbers from 1 to 67. He draws out a ball from
the bag, records down the number and then puts
it back in the bag. He does this a total of 4 times
(hence has 4 numbers). Now answer the
following questions.
i. What is the probability that all the numbers are
different? [Give your answer upto 4 decimal
places]
ii. What is the probability that at least 2 of the
numbers are equal? [Give your answer upto 4
decimal places]
Transcribed Image Text:Mustafiz has 67 balls which are labeled with the numbers from 1 to 67. He draws out a ball from the bag, records down the number and then puts it back in the bag. He does this a total of 4 times (hence has 4 numbers). Now answer the following questions. i. What is the probability that all the numbers are different? [Give your answer upto 4 decimal places] ii. What is the probability that at least 2 of the numbers are equal? [Give your answer upto 4 decimal places]
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