Question

@jim_thompson5910 can you ehlp me with a couple of questions on probablity?

Answer 1

Tim wrote 4 diploma exams. The provincial mean and standard deviation and his marks are shown below.

Course........Tim's mark........Provincial Mean...........Stand. Dev.
Math..................80........................65..................................8
Chem.................76........................65.................................12
English................90.......................65..................................18
Social.................85.......................65..................................15

Compared to the rest of the students, in which course does he have the lowest standing?

Answer 2

@lgbasallote can u help me?

Answer 3

sorry my knowledge of probability is limited

Answer 4

@foolformath can u help me?

Answer 5

Compute the z-score of each. Do you know how to do this?