Pan Jan korzystał z Taxi „Jedynka", a pan Wojciech – z Taxi „Dwójka". Obaj panowie pokonali trasę o tej samej długości i zapłacili tyle samo. Ile kilometrów miała trasa, którą przejechał każdy z nich?

Which statements regarding the diagram are true? check all that apply.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.