Question: 8. For a normally distributed variable, venly that the probability between a) - and equals .68 b) -1.960 and + 1.960 equals .95. c)-30 and

8. For a normally distributed variable, venly that the probability between

a) - and equals .68

b) -1.960 and + 1.960 equals .95. c)-30 and -30 equals.997. -

d) 670 and .670 equals.50

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