A set of piano prices are normally distributed with a mean of 3000 dollars and a standard deviation of 200 dollars. An electric piano has a price of 2576 dollars.
What proportion of piano prices are higher than the price of the electric piano?
You may round your answer to four decimal nlacon

Which of these choices show a pair of equivalent expressions?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude