20 In a state referendum the proportion of voters who favor the proposition to legalize marijuana is                                                                π = 0.5 A pollster polls a random sample of.     n= 480   The probability that the poll will wrongly predict the defeat of the proposition is ________. a 0.1617 b 0.1902 c 0.2238 d 0.2633

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In a state referendum the proportion of voters who favor the proposition to legalize marijuana is 

                                                              π = 0.5

A pollster polls a random sample of.     n= 480

  The probability that the poll will wrongly predict the defeat of the proposition is ________.
a 0.1617
b 0.1902
c 0.2238
d 0.2633
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