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junior college 2 | H1 Maths
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junior college 2 chevron_right H1 Maths

How to do part b (sampling distribution)? My wrong answer is normalcdf (-1E99, 1, 1.005, 0.0082^2/30) which is 0??? Thanks.

Date Posted: 6 years ago
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Tham KY
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You forgot to square root the variance, normalcdf uses standard deviation, not variance...