Mean- 69.66
median-71.5
range-16
mode-74
Answer:
P(X=3cars) = 0.052
P(X>3 cars) = 0.00638
Step-by-step explanation:
In total there are 7 cars per hour.
Using formulae for geometric Probability
P(X=3) = (7^3×e-7)/3! = 0.0521
P(X>3cars) = (7^2× e-7)/2! =
P(X>3) = 0.0128/2×1 =0.00638
Answer:
C
Step-by-step explanation:
tan45° =
=
= 1
.30 move the decimal two times to the left.
Take the -3/5 and add it to 1/30 which would equal 19/30, so x= 19/30