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Hypothesis Testing - About Proportion (2)

Hypothesis Testing - About Proportion (2) - 2 A reporter...

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Unformatted text preview: 2) A reporter claims that percentage of voters who prefer health care reform bill is greater than 50%. A poll of 1000 - registered voters reveals that 48% of the voters prefer the bill. Can you conlcude at 0.05 significance level, that the percentage of voters who prefer the bill is W H“ PL?" 1'- ?3 * Bo : °—v——--95-%—‘ - 36 Ha: PLS .méib ‘ “l 3.1 Lﬂ‘H— tan test. §:_-+% .ﬂild.%2 n= Loco loot) = ‘Otéqy pvmuof-nmo 7 v.05 Fan to Y‘QCC-l’. Cenomsxon: per .05 ngmﬁoame loom we don‘t how, (women 01¢va (J +0 C—Wudfb MOW the; PMCMu-qgg 0V“ were we poet-or me, \o'\\\ \g, \283 Maw (3005‘ 3) A manager claims that the proportion of male workers in his company is 0.65. There were 336 male workers among 490 sample of workers. At 1% significance level, can you conclude that the proportion of male workers differes from 0.65? ...
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