Saved Bookmarks
| 1. |
If ε = {whole numbers less than 50 but greater than 20} and X = {perfect squares}, Y = {factors of 12}, Z = {prime numbers}; find the following: a) X ∪ Y b) X ∩ Y c) X ′ d) X′ ∩ Y ∩ Z |
|
Answer» ong>Answer: Employment 11 14 17 Total 1 18 56 89 163 0 13 16 8 37 Total 31 72 97 200 What is the variance of employment? Give your answer to two decimal places. |
|