Mathematics, 28.11.2019 20:31 ewalchloe5067920
The average length of movies made in the us between 1994 and 2019 is 110 minutes. the length is approximately normally distributed with standard deviation of 10 minutes. rose and jack have decided to "binge watch 4 movies" during a recent holiday. let xi be the length of movie i, for i = 1, 2, 3 and 4. let x be the sum of the xi. find the following probabilities. a) the probability x is greater than 7 hours. b) the probability x is between 8 and 10 hours. c) the probability x is less than 6 hours.
Answers: 3
Mathematics, 21.06.2019 21:30, adam15200031
Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?
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 00:40, seiglersteven99
Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?
Answers: 1
The average length of movies made in the us between 1994 and 2019 is 110 minutes. the length is appr...
Mathematics, 15.04.2020 00:46
History, 15.04.2020 00:46