IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Out of a randomly selected 1200 people from the population, how many
of them
would have an IQ between 71 and 118, to the nearest whole number?

For what values of b will f(x)= logbx be a decreasing function? (16 )

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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