Mathematics, 01.02.2021 20:40, webtoe
Each of 5 boys randomly chooses a watch from 12 different styles. What is the probability that at least 2 boys choose the same type of watch?
A . ≈ 0.7387
B. ≈ 0.6181
C. ≈ 0.5387
D. ≈ 0.3819
Answers: 3
Mathematics, 21.06.2019 16:30, marbuscis99
Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
Answers: 1
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