Some probability questions

alfabetagamma

New member
Joined
Feb 21, 2019
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2
I couldn't manage to get the correct answer for question (b). Anyone can help?? Billion thanks

11112








Can anyone help me with these questions?

11114
 

Harry_the_cat

Full Member
Joined
Mar 16, 2016
Messages
941
I would suggest you post your two different (underlined) questions in separate threads. Also, you will get a better response from members here if you tell us where you are stuck and show your attempts.

With the first question:
You will need to create the probability distribution table for the recorded score (just like I suspect you did for (a)).
For example, to get a recorded max score of 5 the student may have got:
0 then 5..... P(0,5) =0.06 or
5 then 0 …..P(5,0) =0.04 or
5 then 5 ….P(5,5) = 0.15
So add these to get P(max score = 5)

Do the same for the other possible maximums to generate your prob dist table.
(Double check that your p's add to 1)
Then find the expected value in the usual way.
 
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