3/8,0.9,5/8 in order Greatest to least

What is the value of x? enter your answer in the box. photo attached.

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.

Which statements about these triangles is true