subject
Mathematics, 29.01.2021 22:00 arirodriguezc5854

Libby earns a mean of 92.9 points with a standard deviation of 5.5 points in her math classes and a mean of 90.3 with a standard deviation of 6.1 points in her history classes. Both distributions are skewed left. If a sample of 30 of her math scores and 31 of her history scores is randomly selected, what is the probability that her mean math score will be more than her mean history score?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4
Answers: 2
question
Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
question
Mathematics, 21.06.2019 20:00
Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance
Answers: 1
question
Mathematics, 22.06.2019 00:00
Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?
Answers: 1
You know the right answer?
Libby earns a mean of 92.9 points with a standard deviation of 5.5 points in her math classes and a...
Questions