This is a question about percent change help if you can pls!

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.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Evaluate cos2θ for cosθ = square root of 3/2