SOLUTION: the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean.

Algebra.Com
Question 1040708: the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean.
------------------
Find the z-value with a left tail of 0.74
invNorm(0.74) = 0.6433
------
Find the corresponding raw score value::
x = z*s + u
x = 0.6433*1.4 + 2.96
x = 3.86
-------------
Cheers,
Stan H.
----------------

RELATED QUESTIONS

. From a random sample of households, the number of television sets are listed. Find the... (answered by stanbon)
A sample of size 42 will be drawn from a population with mean 52 and standard deviation... (answered by ikleyn)
the mean monthly utility bill for a sample of households in a city is $91.79 with a... (answered by Boreal)
One question with 3 answers: dont need to show work. Thank you! Twenty percent of... (answered by ewatrrr)
1. Given a normally distributed population with mean of 100 and a standard deviation of... (answered by stanbon)
The amounts of electricity bills for all households in a particular city have an... (answered by Theo)
In april 2004 article on Hear the Issue.com stated that Americans have an average of 2.24 (answered by stanbon)
Suppose household incomes in Indiana Co have a mean of $48,000 and a standard deviation... (answered by stanbon)
Could someone break this down for me? 1. A random sample of 50 households showed that... (answered by stanbon)