The talk-time battery life of a group of cell phone is normally distributed with a mean of 5 hours and a standard deviation of 1
5 minutes. A) What percent of the phones have a battery life of at least 4 hours and 45 minutes?
1 answer:
The correct answer is 84%
You might be interested in
:
5
:
3x+2=17
-2 -2
3x=15
/3 /3
x=5
22 because you take the smallest and largest number and subtract them so you do 81-59=22
Answer:
$400
Step-by-step explanation:
100% of 200 is 200 so combine them to get 400.
Answer:
Top Right
Step-by-step explanation:
231/pi(3)^2 =8.17
Round down to 8
