QueenxBoujee
14.07.2020 •
Mathematics
You have in your pocket 10 coins.9 of them are ordinary coins with one tail and one head and the 10th coin has two heads. You randomly pick one coin from your pocket.What is the probability that this coin will land on heads? A. 0.45 B. 0.48 C. 0.55 D. 0.52 PLZ EXPLAIN, PLZ HELP!!!
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Ответ:
C. 0.55
Step-by-step explanation:
You have 9/10 fair coins and 1/10 double heads.
The probability of throwing a head is (9/10*1/2)+(1/10*2/2)
=11/20 which is equal to 0.55
HOPES THIS HELP
Ответ:
Did you need the answer to the equation? Or did you need the term of the equation?