According to a 2008 survey by the Royal Society of Chemistry, 30 percent of adults in Great Britain said that they typically run the water for a period of 6 to 10 minutes while they Assume that this percentage is true for the current population of adults in Great Britain. Let be the proportion in a random sample of 180 adults from Great Britain who typically run the water for a period of 6 to 10 minutes while they take a shower. Find the mean and standard deviation of the sampling distribution of and describe its shape. take a shower.
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According to a 2008 survey by the Royal Society of Chemistry, 30% of adults in Great Britain said that they typically run the water for a period of 6 to 10 minutes while they take a shower Assume that this percentage is true for the current population of adults in Great Britain. Let be the proportion in a random sample of 180 adults from Great Britain who typically run the water for a period of 6 to 10 minutes while they take a shower.
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