The following table shows the probability of rolling the numbers 1 through 7 on a fair 7-sided die.
x 1 2 3 4 5 6 7
P(X) 1/71/71/71/7 1/7 | 1/7 | 1/7
What is the standard deviation of the random variable X, "the number that
comes up on the die"?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal