corley101 corley101

20-07-2017
Mathematics

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459 randomly selected lightbulbs were tested in a laboratory 291 lasted more than 500 hours find a point estimate of the true proportion of all lightbulbs in that last more than 500 hours

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markusername8 markusername8

20-07-2017

291:459 or 291/459 it is the amount lasted to the total amount

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