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tankabanditka [31]

3 years ago

10

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

oportion of all lightbulbs in that last more than 500 hours

1 answer:

BARSIC [14]3 years ago

4 0

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

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