Harold drove 165 miles in 3 hours. Complete parts a and b. a. How many miles per hour did Harold drive?
Harold drove at
mile(s) per hour.

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

John bought 2 horses at rs 20000 each

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.