A statistics quiz consists of 10 multiple questions. There are four choices for each question.

Question

One student is unprepared and decides to guess the answers to every question. Assuming 70%

is a passing grade, find the probability that the student will pass the quiz.

Answer 1

Let's work on this together.

1. How many questions does he need to guess right to pass the test? (include all possible values)
2. What kind of distribution does this problem fall into?

Answer 2

gas