A student was tested on 100 true or false questions. The number of questions whose answers were true was 59. Find the probability that a question’s answer was false.

0.41

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

0.59

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.61

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
0.41

59 questions have true as the answer. Hence, 41 questions have false as the answer.

So probability of answer being false = $\frac{41}{100}$ = 0.41

Suggest Corrections

Similar questions

A test paper contains 100 true/false questions. The number of questions with answer "true" was 59. Find the probability that a question’s answer is "false".

Q. A test paper contains 51 true/false questions and 49 MCQs. If a question was chosen at random, then probability of it being a true/false question is .

Q. In a 20-question true-false examination, suppose a student tosses a fair coin to determine his answer to each question. For every head, he answers 'true' and for every tail, he answers 'false'. Find the probability that he answers at least 12 questions correctly.

Q. In an examination

10

questions of true false type are asked A student tosses a fair coin to determine his answer to each question if the coin falls heads, he answers true and if it false tails, he answers false. show that the probability that he answers at most

7

questions correctly is

\frac{121}{128}

probability

Q. In how many ways, can the students answer 3 true or false type questions in a slip test?

Join BYJU'S Learning Program

A student was tested on 100 true or false questions. The number of questions whose answers were true was 59. Find the probability that a question’s answer was false.

The correct option is A 0.41 59 questions have true as the answer. Hence, 41 questions have false as the answer. So probability of answer being false = 41100 = 0.41

The correct option is A
0.41

59 questions have true as the answer. Hence, 41 questions have false as the answer.

So probability of answer being false = $\frac{41}{100}$ = 0.41