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.Com
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)   (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

RELATED QUESTIONS

1. Test the claim that the proportion of people who own cats is smaller than 90% at the... (answered by Boreal)
The mean of a Binomial distribution with 10 observations and probability of success 0.5,... (answered by Solver92311)
Given a random sample of 16 observations from a normal population for which µ and σ... (answered by reviewermath)
I started most of the work but I am not sure if I am doing it right. Please help.... (answered by stanbon)
I'm working on some multiple choice problems and I'm a little stumped on them. Here's... (answered by stanbon)
i would be glad if you could help check if my answers are correct Consider the... (answered by stanbon,DrBeeee)
I Attempt all questions show all the necessary steps in your work 1. If P(A) =1/3 and... (answered by lynnlo)
A distribution of scores has µ = 40 and σ = 18 a. describe the distribution of... (answered by robertb)
In a random sample of 200 observations, we found the proportion of successes to be 48 %. (answered by Boreal)