The American Restaurant Association collected information on the number of meals - 68180

Solution Posted by
Solution Detail
Price: $4.00
  • From: Mathematics,
  • Posted on: Tue 01 Jul, 2014
  • Request id: None
  • Purchased: 0 time(s)
  • Average Rating: No rating
Request Description

The American Restaurant Association collected information on the number of meals eaten outside the home per week by young married couples. A survey of 60 couples showed the sample mean number of meals eaten outside the home was 2.76 meals per week, with a standard deviation of 0.75 meals per week. Construct a 97 percent confidence interval for the population mean.

Solution Description

For Required confidence level of 97 %

We have to find the value of Za/2 so first we have to find a

  So, a = 1 - 0.97 = 0.03

And Thus  a/2  =  0.015

So from  the standard table for conversion  Z = 2.17

Now usi

Attachments
S_006.doc
S_006.doc