Answer:
x=27
Step-by-step explanation:
63+90+x=180
63+90=153
180-153= 27
Answer:
2.4 liters
Step-by-step explanation:
Answer:
14 rows. Hope this helped :) !
Answer:
118 locations.
Step-by-step explanation:
44,832 / 380
= 117.98
Answer: 0.9730
Step-by-step explanation:
Let A be the event of the answer being correct and B be the event of the knew the answer.
Given: 


If it is given that the answer is correct , then the probability that he guess the answer 
By Bayes theorem , we have


Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.