In 2003, scores on the math part of the SAT approximately followed a normal distribution with...
In 2003, scores on the math part of the SAT approximately followed a normal distribution with mean 519 and standard deviation 115.
(a) What proportion of students scored above 510? (4 marks)
(b) What proportion scored between 400 and 600? (6 marks)
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In 2003, scores on the math part of the SAT approximately
followed a normal distribution with...
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The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 517 with a standard deviation of 111. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 5507 (4 decimal positions) c. What is the proportion of students scoring over 5507 (4 decimal positions) d. How high must...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution....
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Use the normal distribution of SAT critical reading scores for which the mean is 508 and the standard deviation is 115.
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The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 517 with a standard deviation of 111. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 5507 (4 decimal positions) c. What is the proportion of students scoring over 5507 (4 decimal positions) d. How high must...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 533 with a standard deviation of 109. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 550? (4 decimal positions) c. What is the proportion of students scoring over 550? (4 decimal positions) d. How high must...
6. In 2005, the distribution of the score in the math portion of the SAT test was approximately normal with a mean y = 520 and a standard deviation o = 115. (a) What percentage of students scored more than 720 in the math portion of the SAT test in 2005? (b) Suppose that sample of 64 students that took the SAT in 2005 is randomly selected. What is the probability that the average score x in the math portion...
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