HELP PLZ PLZ PLZ During the day, 25 trains pulled into the subway station. Of those trains, 14 were full.

Over the next 10 hours, 400 trains will pull into the subway station. Using the earlier
information, predict how many will be full.

correct answers only

The life (in hours) of a magnetic resonance imagining machine (mri) is modeled by a weibull distribution with parameters β = 2 and δ = 370 hours. (a) determine the mean life of the mri. (round your answer to 2 decimal ) determine the variance of the life of the mri. (round your answer to 1 decimal ) what is the probability that the mri fails before 250 hours? (round your answer to 4 decimal places.)