70% of the students pack there lunches. 14/20 = 7/10 = 0.7
Answer:
P=1/65.
Step-by-step explanation:
We knaow that one coin in a collection of 65 has two heads. If a coin, chosen at random from the lot and then tossed, turns up heads 6 times in a row. We calculate the probability that it is the two-headed coin.
We calculate the number of possible combinations:
Number of favorable combinations is 1.
Therefore, the probability is
P=1/65.
What ? answer? dont know which one
Answer: Domain:
{
1
,
3
,
4
,
6
,
8
}
Step-by-step explanation:
The domain is the set of all the values of
x
.