Amultiple choice test contains 35 questions on it with five possible answers on each question. assuming a student has not attended class and has no knowledge of the material and must choose randomly between the answer choices, find the probability that the student gets 6 questions correct. round your answer to 4 decimal places. using a statistic calculator.

0.1558

Step-by-step explanation:

To solve this problem we are going to use the Binomial distribution.

The probability of guessing correctly is: 1/5 = 0.20.

Therefore the probability of guessing incorrectly is: 1 - 1/5 = 0.80.

The total number of trials is 35 (because the test has 35 questions)

And we're looking for 6 successes and 29 failures.

The problem asks us what is the probability that the student gets 6 questions correct. This would be:

Thus, the probability of getting 6 questions correct is 0.1558

step-by-step explanation:

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