Asked by corey
A multiple-choice test has 10 questions. Each question has 5 choices. If a student answers each question by guessing randomly, find the probability that the student gets:
a) at most 4 questions correct
b) at least 7 questions correct
Please show your work.
a) at most 4 questions correct
b) at least 7 questions correct
Please show your work.
Answers
Answered by
Anonymous
5,7