Probability 53061

One hundred people work in the office. Each of them spends an average of 25 minutes daily on the phone. A working day has 8 hours.
What is the probability that ten workers will be on the phone simultaneously in one day?

Correct answer:

p =  0.0206

Step-by-step explanation:

t1=25 min h=25:60  h=0.41667 h t2=8 h  p1=t2t1=8125=9650.0521  n=100  p=(10n)p110(1p1)n10=(10100)0.052110(10.0521)10010=173103094564400.0521100.947990=0.0206



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