Anisha is interviewing students for the school newspaper. She interviews of the fifth graders on Monday and another of the fifth graders on Tuesday. Which fraction of
fifth graders did Anisha interview on both days?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable