The random variable X is normally distributed. P (2045).

Find the mean of X.

Find P (X<45).

Find the standard deviation of X.

108 is the product of Rita score and 6

Vina has $4.70 in quarters, dimes and nickels in her purse. She has eight more dimes than quarters and six more nickels than quarters. How many of each coin does she have?

What is the average flight speed of an unladen swallow?

If x is 5, then 6x = 5x 30x 30

On a recent social studies exam, Juanita answered 34 out of 40 questions correctly. Find Juanita's grade as a percent. A. 77% B. 80% C. 82% D. 85%

10. A produce stand recorded the number of items sold per day. The results are shown below. Number of Items Sold 5 2 9 6 10 8 6 7 1 3 5 2 8 9 4 10 5 3 1 5 7 4 2 9 If this data were to be displayed using a dot plot, describe the dot plot regarding

What is a better buy 5 minutes of a game for $10 or 7 minutes for $12

An art student wants to make a model of a rectangular classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 in. What should the width of the model be? a. 17.5in b. 20.5 in c. 83. 6in d. 100.8in

The length of a rectangle is 4 times the width. The perimeter of the rectangle is 45 inches. What is the area of the rectangle / 9960871/ce166f9f? utm_source=registration

Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends, how many postcards and coins does he have?