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%
Hello. In order to solve this problem, you need to write an equation. Hence, you determine this equation:
8 + 2x = 8(x-5)
8 + 2x = 8x - 40
8 + 40 = 8x - 2x
48 = 6x
x = 8.
Answer:
12 rolls
Step-by-step explanation:
2 dozen is 24 so if he used a dozen which is 12 then he would have 12 left