Mathematics, 07.06.2021 15:20 Schoolworkspace453
1000 test scores are approximately normally distributed with a mean of 60 and a standard deviation of 8, if a grade of B is assigned to the scores between 68 and 76, how many scores will receive a grade of B?.
Answers: 2
Mathematics, 21.06.2019 21:30
Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
Answers: 1
Mathematics, 21.06.2019 22:00
Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?
Answers: 1
Mathematics, 21.06.2019 23:50
Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas
Answers: 3
Mathematics, 22.06.2019 00:00
The weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?
Answers: 1
1000 test scores are approximately normally distributed with a mean of 60 and a standard deviation o...
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