Monday
March 27, 2017

Post a New Question

Posted by on .

An internet supplier of refilled ink cartridges for ink jet printers sold cartridges to 30,000 customers over the past two months. A random sample of 1000 of those customers revealed that 18% were not happy with their purchase. The margin of error was 2%. What range is likely to contain the population parameter?


29,000 to 31,000

14% to 22%

16% to 20%

480 to 600

  • statistics - ,

    .18 + or - .02 = range likely to contain population parameter

    .18 + .02 = .20
    .18 - .02 = .16

    16% to 20% -->converting decimals to percents

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question