10 Questions
| Attempts: 245

Questions and Answers

- 1.Lotte takes a test. Each question in the test has 4 answers. There are 10 questions in the test. She chooses one of the answers (a)-(d) for each question at random.The probability that she gets all 10 wrong is:
- A.
7.5

- B.
0.75

- C.
0.0563

- D.

- 2.Sruthi takes a test. Each question in the test has 4 answers. There are 10 questions in the test. She chooses one of the answers (a)-(d) for each question at random.The probability that she gets exactly 9 wrong is:
- A.
- B.
0.188

- C.
0.0188

- D.
None of these

- 3.Neha takes a test. Each question in the test has 4 answers. There are 10 questions in the test. She chooses one of the answers (a)-(d) for each question at random.The probability that she gets exactly 5 wrong is:
- A.
0.188

- B.
0.0584

- C.
- D.
None of these

- 4.Milly takes a test. Each question in the test has 4 answers. There are 10 questions in the test. She chooses one of the answers (a)-(d) for each question at random.The probability that she gets at least 9 wrong is:
- A.
0.244

- B.
0.188

- C.
0.999999046

- D.
None of these

- 5.Karishma takes a test. Each question in the test has 4 answers. There are 10 questions in the test. She chooses one of the answers (a)-(d) for each question at random.The probability that she gets at least 9 correct is:
- A.
0.756

- B.
- C.
0.812

- D.
None of these

- 6.I choose 6 glasses at random from a large batch of glasses, 20% of which are faulty. Find the probability that, of the 6 chosen, none are faulty.
- A.
0.262

- B.
0.8

- C.
- D.

- 7.I choose 6 glasses at random from a large batch of glasses, 20% of which are faulty. Find the probability that, of the 6 chosen, exactly 2 are faulty.
- A.
0.0164

- B.
0.0154

- C.
- D.
0.246

- 8.I choose 6 glasses at random from a large batch of glasses, 20% of which are faulty. Find the probability that, of the 6 chosen, exactly 4 are faulty.
- A.
0.0154

- B.
- C.
- D.
0.4096

- 9.I choose 6 glasses at random from a large batch of glasses, 20% of which are faulty. Find the probability that, of the 6 chosen, at least 1 is faulty.
- A.
0.738

- B.
0.393

- C.
0.2

- D.
0.998

- 10.I choose 6 glasses at random from a large batch of glasses, 20% of which are faulty. Find the probability that, of the 6 chosen, at least 2 are good.
- A.
0.655

- B.
- C.
0.998

- D.
0.345

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