Statistics

2.24 A company employs 800 people, 75% of whom are males and 25% are females. A manage- ment task force officer polls a stratified random sample of 90 males and 20 females. (a) What is the chance that a particular female employee will be polled? (b) Using your calculator with a seed value of 21 or the random number table (starting at Row 19, Column 1), list the first five females to be included in the sample. (c) Suppose that the average response for the sampled females was 5, while the average re- sponse for the sampled males was 8. Give the overall estimate of the average response