On a standardized exam, the scores are normally distributed with a mean of 135 and a standard deviation of 20. Find the Z-score of a person who scored 115 on the exam.

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be