Mathematics, 20.07.2019 03:20 yuki430
Three experiments investigating the relation between need for cognitive closure and persuasion were performed. part of the study involved administering a "need for closure scale" to a group of students enrolled in an introductory psychology course. the "need for closure scale" has scores ranging from 101 to 201. for the 65 students in the highest quartile of the distribution, the mean score was x = 178.30. assume a population standard deviation of ? = 7.61. these students were all classified as high on their need for closure. assume that the 65 students represent a random sample of all students who are classified as high on their need for closure. how large a sample is needed if we wish to be 99% confident that the sample mean score is within 1.8 points of the population mean score for students who are high on the need for closure? (round your answer up to the nearest whole number.)
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Mathematics, 21.06.2019 20:30
2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.
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Mathematics, 22.06.2019 02:00
Polygon abcd is a parallelogram, and m? abc = 127°. the length of is 10 units, and the length of is 5 units. the perimeter of the parallelogram is units, and m? bcd is °
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Mathematics, 22.06.2019 03:20
Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475
Answers: 1
Three experiments investigating the relation between need for cognitive closure and persuasion were...
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