SOLUTION: If the distribution is really N(5.43, 0.54), what proportion of observations would be less than 5.05? Use Table A and give your answer to 4 decimal places. thanks

Algebra ->  Probability-and-statistics -> SOLUTION: If the distribution is really N(5.43, 0.54), what proportion of observations would be less than 5.05? Use Table A and give your answer to 4 decimal places. thanks      Log On


   

Question 1036088: If the distribution is really N(5.43, 0.54), what proportion of observations would be less than 5.05?
Use Table A and give your answer to 4 decimal places.

thanks
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z value of interest is (x-mean)/sd
That is z=(5.05-5.43)/0.54=(-0.38)/(0.54)=-0.7037
probability is 0.2408