Tom asked the 20 members of the football squad at his school how long they spent on the internet by evening. 7 of them spent over 4 hours per evening online.
Tom used this information to estimate how many of the 1200 students at his school spent over 4 hours per evening on the internet.
a.) Assuming that tom is good with numbers, what was his estimate?
b.) Write down one thing that could be done to make the estimate more reliable.

isi

step-by-step explanation:

use that smart brain

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

b

step-by-step explanation:

i think it might be a but you might want a second opinion