61 randomly selected light bulbs were tested in a laboratory, 50 lasted more than 500 hours.find a point estimate of the true proportion of all light bulbs that last more then 500 hours.

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# 61 randomly selected light bulbs were tested in a laboratory, 50 lasted more than 500 hours.find a point estimate of the true proportion of all light…

61 randomly selected light bulbs were tested in a laboratory, 50 lasted more than 500 hours.find a point estimate of the true proportion of all light bulbs that last more then 500 hours.