Let x be a random variable representing the number of skateboards produced
a.) P(x ≤ 20,555) = P(z ≤ (20,555 - 20,500)/55) = P(z ≤ 1) = 0.84134 = 84.1%
![y = 40000{(1.04)}^{x}](https://tex.z-dn.net/?f=y%20%20%3D%2040000%7B%281.04%29%7D%5E%7Bx%7D%20)
After 11 years, her salary will be $61,578.16
Step-by-step explanation:
![x = 11\\ y = 40000 {(1.04})^{11} \\ y = 61,578.162...](https://tex.z-dn.net/?f=%20x%20%3D%2011%5C%5C%20y%20%3D%2040000%20%7B%281.04%7D%29%5E%7B11%7D%20%20%5C%5C%20y%20%3D%2061%2C578.162...)
Answer: do you have a calculator, if you dont just look it up -.-
Step-by-step explanation: (sorry if this sounds rude, im not trying to be)