A data set has a Pearson Index of 0. Which statement below must be correct? A. The median is larger than the mean
B. The mean is larger than the median
C. No conclusion can be made about how the mean compares to the median
D. The mean and median are close to the same value

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels