Asked by AmmanJordan
A true-false test consists of 20 questions, each of which has one correct answer: true, or false. One point is awarded for every correct answer, but one point is taken off for each wrong answer. Suppose a student answers every question by guessing at random, independently of other questions. Let S be the student¢s score on the test.Find E(S), SE(S), P(S=0)
Answers
Answered by
FLu
E(S)= 0
Anyone for SE(S) and P(S=0) ?
Anyone for SE(S) and P(S=0) ?
Answered by
Magnum
Thanks FLu!
Anyone for SE(S) and P(S=0)?
Anyone for SE(S) and P(S=0)?
Answered by
AmmanJordan
Thanks from me Flu
Answered by
Bea
Thanks, anyone for the rest?
Answered by
Kingshuk
Could anyone tell me the SE(S)?
Answered by
Pebble
SE(E)- 4.472
Answered by
Kingshuk
Thanks Pebble.
Answered by
Anonymous
Thanks Pebble, did someone solves or find the C....... P(S=0)?
Answered by
Jabang
1.0532687
There are no AI answers yet. The ability to request AI answers is coming soon!