Mathematics
A multiple choice test consists of five questions, each of which has four choice

Question Description

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

P(A)=1-P(B)

B : getting 4 or 5 questions correct

P(B)=C(4,5)*1/4^4*3/4+(1/4)^5=0.015625

P(A)=1-0.015625=0.984

UC Berkeley

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