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Lmnhaz4039
28.01.2020 •
Mathematics
Type the correct answer in the box. if necessary, use / for the fraction bar. a fair coin is tossed 5 times in a row. the exact probability of the coin landing heads exactly 2 times is .
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Ответ:
The probability is![\frac{5}{16}](/tpl/images/0475/6739/2951a.png)
Step-by-step explanation:
Given is that a fair coin is tossed 5 times in a row.
This gives total number of outcomes as =![2\times2\times2\times2\times2=32](/tpl/images/0475/6739/c70a4.png)
As its needed that heads comes exactly 2 times, so favorable outcomes are = 5C2
Solving this we get 10
Therefore, the probability of getting heads exactly 2 times is =
Ответ: