Anew restaurant with 138 seats is being planned. studies show that 59% of the customers demand a smoke-free area. how many seats should be in the non-smoking area in order to be very sure (mu plus 3 sigma) of having enough seating there?

Step-by-step explanation:

Given that a new restaurant with 138 seats is being planned. Studies show that 59% of the customers demand a smoke-free area.

Non smoke area = 100-59=41%

mu for non smoke area = 0.41

Std  deviation =

mu-3sigma =

mu+3 sigma =

Thus 28.43 to 53.54 percent should be in non smoke area

Or 39.2334 to 73.8852 seats

74 seats should be in the non-smoking area in order to be very sure (mu plus 3 sigma) of having enough seating there

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2

step-by-step explanation: