ONLY ANSWER IF YOU HAVE SOLUTION OR ELSE U WILL BE REPORTED! 50% people use cellular mobile and 40% people use landline and 20% people use both. Find the probability that a person selected at random use neither.
a) 10% b) 30%
c) 70% d) 90%

a) 10%

Step-by-step explanation:

To be able to own both (20%), you must fall into both categories. You own a cellular mobile, and you own a landline. The 20% is within the 50% + 40%.

50% + 40% = 90%

Subtract 90% from the total amount:

100 - 90 = 10

A) 10% is your answer.

~

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x