Mathematics, 19.07.2019 12:30 amandafroman

Apsychological researcher did a study with a sample of 84 boys and found that the meam length of time that they remained engaged with a science exhibit at a museum was 107 second. assuming that from past studies it was known that the population standard deviation was 11.7a) the best estimate for the population mean u is__b) find the 99% confidence interval of mean length of time for a recent population

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Apsychological researcher did a study with a sample of 84 boys and found that the meam length of tim...

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