Which is greater: the percentage of students with brown hair and blue eyes or the
percentage of students with red hair and brown eyes?
The red-haired students with brown eyes with 5%
The brown-haired students with blue eyes with 13.3%
The brown-haired students with blue eyes with 28.6%
The red-haired students with brown eyes with 42.9%

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?