Please help very urgent

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 point is the projection of q on a) r b) s c) t

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?