A circular wheel with numbers 1 to 20 on its surface is rolled twice. What is the probability of getting two 13's? Select Proper option from the given options.
(a) 1/20
(b) 1/40
(c) 1/400
(d) 1/200
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Answer:
probability of getting two 13's = 1/400
option C
Step-by-step explanation:
A circular wheel with numbers 1 to 20 on its surface is rolled twice
total number = 20 (from 1 to 20)
probability of getting 13 = 1/20
probability of getting two 13's = (1/20)(1/20)
= 1/400
option C is correct
probability of getting two 13's = 1/400
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