The daily demand for meat pies at a specific vendor is known to be normally distributed with a mean of 300 and a standard deviation of 50. How many meat pies should the vendor make in order to ensure that he runs short on no more than 20% of days?

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.

What expression is equivalent to 1/2(2+3x-6)

What percent of the circle below is shaded?