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describe Under Normal distribution for which class must Sarah expect the better grade?

Last week Sarah had exams in Math as well as in Spanish. On the Math exam the mean was u, = 30 with a = 5 and Sarah had a score of X - 45. On the Spanish exam the mean was u = 60 with 0 = 6 and Sarah had a score of X = 65. For which class must Sarah expect the better grade?

1) Math

2) Spanish

3) The grades should be the same because the two exam scores are in the same location.

4) There is not enough information to determine which the better grade is

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  • Reference No.:- M921175

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