Mathematics, 29.10.2020 17:00 3000517
Suppose a population has a mean happiness score of 75 and a standard deviation of 15. Researcher A takes a random sample of 100 participants. Researcher B takes a random sample of 25 participants. Which researcher is more likely to get a sample mean of 80 or higher
Answers: 2
Mathematics, 21.06.2019 15:20
Which equation represents a circle with a center at (β3, β5) and a radius of 6 units? (x β 3)2 + (y β 5)2 = 6 (x β 3)2 + (y β 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36
Answers: 3
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 22:30
Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle
Answers: 3
Suppose a population has a mean happiness score of 75 and a standard deviation of 15. Researcher A t...
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