Thread: normal distribution

hi, in my lecture notes, it says:

given, standard deviation of 0.1



this is a dumb question but how did they get to the second step?

Originally Posted by Dgphru

hi, in my lecture notes, it says:

given, standard deviation of 0.1



this is a dumb question but how did they get to the second step?

By using tables or technology you should be able to establish that for a standard normal variate, Pr(Z < 1.645) = 0.95 (correct to 4 decimal places). I hope you see the connection.