Tuesday

September 23, 2014

September 23, 2014

Posted by **waqas** on Wednesday, August 17, 2011 at 2:20pm.

(a)What is the standard error for this sample’s mean? (b) What is the probability of a turtle living more than 85 years?

(c)What is the probability of a turtle living between 60 and 65 years?

(d)Find the 98% confidence interval for the mean lifetime.

(e) Below what age do the shortest lived 15% of turtles die?

- Statistics -
**PsyDAG**, Thursday, August 18, 2011 at 1:07pmSEm = SD/√n

Z = (score-mean)/SD or SEm, depending on whether you are talking about a distribution of individual scores or means respectively.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.

**Answer this Question**

**Related Questions**

stat - the average number of pushups a United States Marine does daily is 300, ...

statistics - The scores of students on the ACT college entrance examination in ...

Math- Statistics - A random sample of size 36 is to be selected from a ...

Statistics - Information from the American Institute of Insurance indicates the...

Math (Statistic) - Considered the sampling distribution of a sample mean ...

Stats - A bottling company uses a filling machine to fill glass bottles with ...

statistics - 1. A random sample of n = 16 scores is selected from a normal ...

Statistics - Suppose that the probability distribution of a random variable x ...

Sampling Distribution - Sampling Distribution Complete solutions and ...

Statistics - 1. The scores of students on the ACT college entrance examination ...