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# Suppose the scores of students on a statistics course are normally distributed with a mean of and a standard

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63 and a standard deviation of 2. Estimate the percentage of scores that were ﻿ (a) between 59 and 67. ﻿ % ﻿ (b) above 69. ﻿ % ﻿ (c) below 59. ﻿ % ﻿ (d) between 57 and 67. ﻿ %
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d deviation of 18. What is the minimum score needed to be in the top 10% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place.
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d a standard deviation of 43. What percentage of the students scored between 418 and 504 on the exam? (Give your answer to 3 significant figures.)
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we know that the mean score of fifty male freshmen on an arithmetic test is 74 and the mean score of thirty female freshmen on the same test is 68. Let xi and yi be the scores of the ith male and the ith female, respectively. Find the summation of both situations.
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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