The battery life of a fully charged cell phone is normally distributed, with a mean of 14 hours and a standard deviation of 2 hours. What is the probability that a randomly sele…

Question

asked Sep 9, 2023 104k views

1 Answer

Dream Lane · Answer 1 · 2023-09-13T12:27:47+0000

Answer:

.0013

Explanation:

8 hours is 3 standard deviations BELOW the mean z-score = -3

from z scor table , tis corresponds to .0013