A numbr increased by 4 is the same as 19 minus 2 times that number (x+4=19-2x) solve for x
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Answer: 100
Step-by-step explanation:
Given : The total number of seats planned in new restaurant =134
The percentage of customers demand a smoke-free area = 62%
It can also be written as
The mean of this binomial distribution will be :-
Standard deviation:-
Now, the number of seats should be in the non-smoking area in order to be very sure of having enough seating there :-