Answer:
The probability that at least one of them is a girl is 0.96049.
Step-by-step explanation:
In a certain country, the true probability of a baby being a boy is 0.524.
This is a binomial problem.
p(boy) = 0.524
n = 5
p(girl) =
P(at least one girl) = 1 - p(5 boys) = = 0.96049
Hence, the probability is 0.96049.
Variables:
x: price/drink
y: price/bag of popcorn
system of equations:
72.50=5x+5y
163.50=15x+5y
solve:
(72.50=5x+5y)-1
163.50=15x+5y
-72.50=-5x-5y
----------------------
91=10x
x=9.1
163.50=15(9.1)+5y
163.50=136.5+5y
27=5y
y=5.4
One drink costs 9 dollars and 10 cents
He needs still meeds to earn $38 more because if you add up you get 38
Answer:
120th term = 961
where
a = first term
d = common difference
n = number of terms
Step-by-step explanation:
Answer: \frac{x+3}{x+4}
Step-by-step explanation:
\frac{x^2-9}{x^2+x-12}
\frac{(x+3)(x-3)}{(x+4)(x-3)} =\frac{x+3}{x+4}