Answer to Question #176643 in Statistics and Probability for hgghfhg

Question

In a large lot of electric bulbs to the mean life and standardization of a bust 36 hours and 19 hours respectively does a sample of 625 bulb is chosen it is found that the mean life and standard deviation of bulbs in the sample 355 hours and 19 hours respectively can we conclude that the sample is drawn from a given population test at 5% level of significance

Answer 1

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