Five Questions may be answered true or false. The pass mark is 3 marks each question is worth one mark. 400 people just guess th

Question

3 years ago

13

Five Questions may be answered true or false. The pass mark is 3 marks each question is worth one mark. 400 people just guess th

e answers.
a What is the probability of getting all 5 questions right.
b What is the probability of passing?
c How many people would you expect to pass.

Mathematics

2 answers:

lesantik [10] · Answer 1 · 2022-02-28T14:17:29+03:00

lesantik [10]3 years ago

8 0

Answer:

there is only 1 probability of getting all questions right.

ser-zykov [4K] · Answer 2 · 2022-02-28T16:19:22+03:00

ser-zykov [4K]3 years ago

6 0

Answer:

there is only 1 probability of getting all questions right.

Step-by-step explanation: