Probability Practice Test 2

Question : 3 of 37

Marks: +1, -0

Twelve coupons are numbered from 1 to 12. Six coupons are selected at random one at a time withreplacement. The probability that the largest number appearing on a selected coupon is less than orequal to 8, is

$(2/3)^6$
$(7/12)^6$
$1/33$
None of these

Validate

Solution:

Probability of a coupon selected with any number from 1 to 8

= 8/12

.
In six trails: P (number from 1 to 8)

= (8/12)^6

P = (2/3)^6

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