Tuesday
October 21, 2014

Homework Help: Stats

Posted by Mike on Friday, November 16, 2012 at 12:26pm.

Recently, a price war has developed among retailers selling Brand X denim jeans. A major chain buyer wishes to estimate the mean price of these jeans during this period to compare it to the normal selling price of $20.00. A random sample of 7 major retailers produces a mean retail price of $13.50 with a standard deviation of $3.50. A 80% confidence interval for the true mean retail price of Brand X jeans during the price war is:



(10.93, 16.07)

(11.60, 15.40)

(8.46, 18.54)

(11.81, 15.19)

(10.00, 17.00)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algebra - a store buys jeans for $24 each and marks them up 30%. what is the ...
Pre-Cal - I've been trying to work this problem out for the past week and still ...
math - A pair of ordinary jeans at A-Mart costs $50 less than a pair of designer...
Algebra - The original price of a pair of jeans is $80. A store marks a pair of ...
MAth - I don't know how to begin this one-help Janie bought 2 pairs of identical...
MaTH - I am trying to work this problem and need help. Mary bought 2 pairs of ...
URGENTquestions for Math - A pair of jeans is on sale for 25% off the original ...
Math (Percentage) - An upscale clothing boutique charges $300 for a brand name ...
URGENT MATH - A pair of jeans is on sale for 25% off the original price. Which ...
MATH QUICK THANKS - IT COSTS JUST PANTS $12.50 TO MAKE A PAIR OF JEANS. THE ...

Search
Members