Answer:
0.1151
Step-by-step explanation:
Given that a laptop company claims up to 10.1 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 9.5 hours and standard deviation 30 minutes.
If X is the battery life then X is N(9.5, 0.5)
(we convert into one unit for calculations purpose here hours)
a) the probability that the battery life is at least 10.1 hours
=
we get the probability that the battery life is at least 10.1 hours is 0.1151
Answer:
20.04
Step-by-step explanation:
He marked it down to 67%. Not up
Answer:
14
Step-by-step explanation:
20-(4+14)/3
20-(18)/3
20-6
14
Hope this helped.
A Brainliest is always appreciated.
Answer:
z=-3
Step-by-step explanation:
42 = -7z+21
-7z=21
z=-3
So the green bay packers scored 14 less so this means that the Tennessee titans must of had 14 more points than the green bay packers so this means that Tennessee titans had 14+14=28 points