The maximum weight that an elevator in an apartment complex can accommodate is 800 kg. What is the probability that the lift safety reaches the ground when there are 10 adult in the life.

Question

How to solve probability question .

Answer 1

Hi Ranjeet,

Don't fret. The nominal capacity of an elevator is typically 20% of the failure load of the cable. There are nuances also as to the rating class (passenger, various freight, various loading procedures) of the elevator.

-- Cheers, --Mr. d.

Answer 2

You need to know what the average adult weighs and what the standard deviation is for the assumed normal distribution (?) If so both the mean and the standard deviation scale with the number of people. The problem is simply to find the probability to left of z = (800 - 10μ)/(10σ)