Answer:
0.081,0.2621,0.645,0.919
Step-by-step explanation:
Let X be the average speed of a car driving down freeway
Given that X is normal with mean as 70mph with a standard deviation of 5mph.
To convert to Z score we do

a) the probability that a randomly selected car is driving more than 77mph

b) probability that a randomly selected car is driving between 65 and 69 mph
= 
c) the probability that a randonly selected car is driving between 67 and 77mph
=
d) the probability that a randomly selected car is driving less than 77mph

Answer:
$15.25
Step-by-step explanation:
Since you know that each mile is $.75 and you traveled 17 miles, you must first multiple 17 times .75 which is $12.75, then add the $2.50 set rate. Therefore you will pay $15.25 for the cab ride.
.75(17) + 2.50 = 15.25
Answer:
1/4 8
Step-by-step explanation:
because it is numbers that we multiply
Answer:
180/11
Step-by-step explanation:
none