The scores, X, of an examination may be assumed to be normally distributed with / = 70
Question:
(a) A score chosen at random will be between 80 and 85?
(b) A score will be greater than 75?
(c) A score will be less than 90?
(d) Interpret the meaning of (a), (b), and (c).
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a b c d There is a 6 chance that a score chosen at random ...View the full answer
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Related Book For 
Mathematical Statistics With Applications In R
ISBN: 9780124171138
2nd Edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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