Mathematics, 21.04.2020 16:22 holman9308
Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $900 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses). Using the distribution above, what is the probability that during a randomly selected month PCE's were between $775.00 and $990.00
Answers: 1
Mathematics, 22.06.2019 00:00, mkay78
Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your
Answers: 1
Mathematics, 22.06.2019 02:30, naomicervero
Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation
Answers: 1
Before a new phone system was installed, the amount a company spent on personal calls followed a nor...
History, 05.05.2020 11:49
English, 05.05.2020 11:49
Mathematics, 05.05.2020 11:49
Mathematics, 05.05.2020 11:49