Afuel injection system is designed to last 18 years, with a standard deviation of 1.4 years. what is the probability that a fuel injection system will last less than 15 years?
a: 25%
b: 33%
c: 2%
d: 20%

Ineed in figuring out this problem.

Which graph represents the equation y =4x

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол