Question: There is an 80% probability that a student PASSES their first statistics exam. following a binomia distributions, if we randomly select 7 students; What is

There is an 80% probability that a student PASSES their first statistics exam. following a binomia distributions, if we randomly select 7 students;

What is the probability that 3 or FEWER of them FAIL their first statistics exam?

a. 27.5%

b. 96.7%

c. 85.52%

d. 85.2%

please explain answer thanks!

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