91% of the students lost the bingo game.What percent of the students won the game?
2 answers:
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Answer:
2775 ways
Step-by-step explanation:
We have been given the case to choose exactly two tails when flipped 75 times means
Since, is equal to
Here n =75, r=2 substituting the values we will get
After simplification we will get
Cancel out the common term that is 73! we will get
after more simplification we will get
Finally, we will get