An experienced teacher writes an exam so that, on average, about 5% of students will earn an A grade. If she has 40 students in her class and their performance is independent, what is the probability that at least one student gets an A

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dooderh

04.10.2022

Mathematics

The minimum number of dice is 333, where 229 dice must be "6", and the remaining 4 need to have a sum of 20.the probability is the same as having 229 "1" and the remaining adding up to 8.therefore s= 237

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