Question
Confidence levelCritical value 0.90 z=1.645 0.95 z=1.960 0.99 z=2.576 A poll for a statewide election has a margin of error of 3.77 percentage points. How
Confidence levelCritical value
0.90
z=1.645
0.95
z=1.960
0.99
z=2.576
A poll for a statewide election has a margin of error of 3.77
percentage points.
How many voters should be sampled for a 95%
confidence interval? Round up to the nearest whole number.
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An Introduction to the Mathematics of financial Derivatives
Authors: Salih N. Neftci
2nd Edition
978-0125153928, 9780080478647, 125153929, 978-0123846822
