A test consists of 10 truefalse questions To pass the test a

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?

(10c6+10c7+10c8+10c9+10c10) / 2^10 = 0.38 to two decimal places.