Each day, mr. samms randomly chooses 2 students from his class to serve as . there are 15 boys and 10 girls in the class. what is the probability that mr. samms will choose 2 girls to be ?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.