Normal Distribution...Arghh... x_x

[shigyou]

Can anyone slove these questions for me? Arghh..I hate normal distribution,I love binomial distribution more.

The frequency a student wakes up late in the morning in a month has a normal distribution with mean 12 times and standard deviation 2.Estimate the number of months in a year he wakes up late between 9 and 13 times.[Answer: 7.4964]The

Comments

[kikazu]

Erm, I'm not too sure what it is! Lol, do you know what it is in BM?

[shigyou]

hmn..i think normal distribution is called "taburan normal" in BM....one of the topic in Add Math,cant remember is in form four's syllabus or form five...u.u

god,Why we still need to learn this topic in form six??!! *cries*