Answer:
The average increase in the number of smart
phones per year is 45
Step-by-step explanation:
Given that :
Number of students who had phones in 2005 = 120
Number of students who had phones in 2010 = 345
(345 - 120) / 5
225 / 5
= 45
Hence, average increase in number of smartphones per year = 45
<span>Binomial distributions are symmetric about a center.
This distribution is not, it is skewed to the left.</span>
Answer:
So do you already have the answer? Also 1/20 looks right.
Step-by-step explanation:
