Search results

  1. P

    Statistics Questions

    Ten percent of Americans are left-handed. A statistics class has 25 students in attendance. Find the mean and standard deviation for the number of left-handed students in such classes of 25 students. When a customer places an order with Rudy’s Online Office Supplies a computerized account...
  2. P

    what sample size is needed for a 99% confidence interval and .025% margin error

    As a manufacturer of golf equipment, the Spaulding Corp. wants to estimate the proportion of golfers who are left handed. (The company can use this information in planning for the number of right handed and left handed sets of clubs to make) How many golfers must be surveyed if we want 99%...