Mr. Gupta gave his students a quiz with three questions on it. Let XXX represent the number of questions that a randomly chosen student answered correctly. Here is the probability distribution of XXX along with summary statistics: X=# correctX 0 1 2 3
P(X) .05 .20 0.50 .25
Mean:μx =1.95
Standard Deviation σX≈0.8
What are the mean and standard deviation of Y?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Which of the following graphs could represent a cubic function?