Answer: 
Step-by-step explanation:
Let A = he known the answer then A' = he guess the answer.
B = he answered it correctly
As per given , we have



By Bayes theorem , we have

The probability that the student knows the answer given that he answered it correctly is
.
Answer: i cant understand the question but its either 2.25 if you mean how much more or 6.3 if you mean divided by
Step-by-step explanation:
2.74x7.5=20.55=20.550
That's all of your answers.
Answer:
Thus the required Pythagorean triplet is 14,48,50. ∴ The required Pythagorean triplet is 16,63,65.
Step-by-step explanation:
Answer: the answer is d trust me
Step-by-step explanation: