Answer:
1/3
Step-by-step explanation:
X(m+n) = p
x = p/(m+n)
Hope this helps!
Answer:
x=-2 y=7
Step-by-step explanation:
Answer:
(1.5)x
Step-by-step explanation:
90 minutes = 1.5 hours therefore
if car travels x miles in 1 hour
then the care has to travel (1.5)x miles in 90 minutes
Variance of a continuous random variable X is defined as
Standard deviation is defined as

Hence standard deviation is the positive square root of variance.