HELP PLEASE thank u

(40 points) i need some . an answer definition is appreciated as well.

Yo y do yall have 2 stars that means yall wrong bro

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.