Question 927982
365/75= (n)

1*4.866... (The 6 is recurring)

4.866.. = rate per year

Then use the formula (e^-n*n^r)/(r!)

So now you want the probability of getting no shutdowns

 (e^-4.86..*4.86..^0)/(0!) = P(0)

1-P(0) =………

You can do this part for yourself.