a new restarant with 134 seats is being planned.studies show that 62% of the customers demand a smoke free area.how many seats should be in the non smoking area in order to be very sure of having enough seating there?

Question

anonymous · Answer

oh thank u ,luis 
let me check the answer ....

anonymous · Answer

no this is not the answer>> u have to solve it with normal distribution concept

anonymous · Answer

very sure does that 90% 95% or 99% ie 1 standard deviation 2 standard deviations or three standard deviation

anonymous · Answer

can you edit post 90% = 68%

anonymous · Answer

post the answer