in a certain statistical experiment, the probability of a success is 0.20. if the experiment is conducted 80 time, what is the probability of getting 20 successes or more?
In a bolt factory, machines A, B, C manufacture respectively 25%, 35% and 40% of the total production. Of their output 5%, 4% and 2% respectively are defective bolts. A bolt is drawn at random and is found to be defective. What is the probability that it is manufactured by machine B ?
a machine has two parts the probability of failure of one parts in a given period of time is 0.06 the probability of failure of the other part in the same period os 0.08 what is the probability that the machine fails in that period of time ?
find an operator and try to find some answers as to what the machine is actually doing
Probably the vending machine you were using was defective. This isn't supposed to happen.
An event can either happen or not happen. If the probability of it happening is 3/5,then the probability of it not happening is 2/5.
I'm assuming that you mean what machine do locksmith's use, a very common machine used is the Protech series.
2/5
Probability is 1/6 ~= .1667 = 16.67%
The answer depends on how many settings there are: washing machines are different.
Anirban DasGupta has written: 'Probability for statistics and machine learning' -- subject(s): Probabilities, Stochastic processes, Mathematical statistics, Machine learning
If the machine is a Singer, serial numbers and "birthdates" can be found on the Singer website http://www.singerco.com/support/serial_1letter.html Assuming your machine is a Singer, it was manufactured in 1927.
Time is a continuous variable and so the probability that an event takes any particular value is always 0.