An experienced teacher writes an exam so that, on average, about 5% of students will earn an A grade. If she has 50 students in her class and their performance is independent, what is the probability that at least one student gets an A

Step-by-step explanation:

From the question we are told that:

Percentage of student to get A

Sample size

Generally Number of student to get A is

Therefore

Probability that one student gets an A grade is mathematically by

the nearest power is 1.651.

means 7482 to the 1.651th power is almost equal to 2489287