SOLUTION: What s the answer to the following question: Estimate the proportion of observations falling within 1.2 standard deviations from the mean on a normal distribution.

Question 355635: What s the answer to the following question:
Estimate the proportion of observations falling within 1.2 standard deviations from the mean on a normal distribution.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In other words what is the area of the distribution curve between (,).
Find .
That's the area of the region up to .
The area from there to would then be,

Twice that area would give us the area from (,).

RELATED QUESTIONS
What proportion of the following sample of ten measurements lies within 1 standard... (answered by ewatrrr)

A random sample of n = 36 observations has a mean x = 28.7 and a standard deviation s =... (answered by ikleyn)

A random sample of n = 36 observations has a mean x = 28.7 and a standard deviation s =... (answered by math_tutor2020)

A random sample of n = 36 observations has a mean x = 28.7 and a standard deviation s =... (answered by GingerAle)

use chebyshev's theorem to find the minimum proportion of observations that will lie lie... (answered by stanbon)

what proportion of observations from the standard normal distribution are greater than... (answered by Theo,Edwin McCravy)

A population proportion is .40. A simple random sample of size 200 will be taken and the (answered by Boreal)

A random sample of n=64 observations has a mean x(bar)=29.1 and a standard deviation... (answered by stanbon)