Question

In the year that this exercise was written, there were 611 challenges made to referee calls in professional tennis single ppay. Among these challenges, 172 were upheld with the cell overturned. Assume that 30% of the challenges were successfully upheld with the cell overturned. Find the probability amonng the 611 challenges the number of overturned calls is exactly 172.

Answer 1

i use this formula at school but when i simply calculate at my calculator, it says "math error" . i am sorry but i hope this formula helped