Most popular questions and responses by Dalila
  1. math

    a random sample of 42 college graduates who worked during their program revealed that a student spent an averge of 5.5 yeas on the job before being promoted. The sample standard deviation was 1.1 yrs. Using the .99 degree of confidence, what is the

    asked on October 25, 2011
  1. algebra

    9 Nickels

    posted on February 9, 2016
  2. ap chemistry :(

    Work is done on the system as the reaction occurs. :)

    posted on November 7, 2012