Answer:
Incomplete question
Step-by-step explanation:
Answer: 11.9%
Step-by-step explanation:
Given : On a stretch of Interstate-89, car speed is a normally distributed variable with
mph and
mph.
Let x be a random variable that represents the car speed.
Since , 
z-score corresponds x = 73 , 
Required probability :

[using z-value table.]
Hence, the approximate percentage of cars are traveling faster than you = 11.9%
Answer:
a= -12
Step-by-step explanation:
because
Answer:
25
Step-by-step explanation:
Easy! You plug in 3 for n! H(3) = 3^3 - 2
3^3 = 27 - 2 = 25