Mathematics, 14.11.2020 02:10 AM28
A study was designed to investigate the effects of two variables - (1) a student's level of mathematical anxiety and (2) teaching method - on a student's achievement in a mathematics course. Students who had a low level of mathematical anxiety were taught using the traditional expository method These students obtained a mean score of 460 with a standard deviation of 40 on a standardized test. Assuming a bell-shaped distribution. A) where Word approximately 68% of the scores fall between? B) approximately 99.7% of the scores fall between what scores. C) What percent of scores Fall between 380 and 540 ? 
Answers: 3
Mathematics, 21.06.2019 13:30
Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24
Answers: 2
Mathematics, 21.06.2019 19:00
What is the volume of a cone with a height of 6 cm in the radius of 2 cm
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Mathematics, 21.06.2019 21:00
Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?
Answers: 1
Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
A study was designed to investigate the effects of two variables - (1) a student's level of mathemat...
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