to a decimal using long division
Answer:
The probability that a fair coin lands tail up is 1/2, which is equal to 0.5.
Step-by-step explanation:
There are two possible outcomes when a coin is flipped (saving for the case when the coin lands on its side.)
If the coin is fair, the two outcomes should be equally likely. In that case, apply the following formula:
.
Credit for the phrasing of this probability formula goes to the Khan Academy article "Probability: the basics".
Answer: 1:2
Step-by-step explanation:
,1 tenth + 17 hundredths
,10 tenths + 4 hundredths
,11 hundredths + 8 tenths
,Options 177\100 91\100 140\100 77\100 27\100 104\100