Question

A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test? Round to three decimal places.0.8280.3770.1720.205

Answer 1

Solution:

Answer is 0.377

Solution steps:

$\begin{gathered} Total=10 \\ At\text{ least 6 correct questions means;} \\ P(6)+P(7)+P(8)+P(9)+P(10) \end{gathered}$

From the binomial probability