A simple random sample of n=350 California adults (age 2 25) was surveyed, and it was found that 147 of them had annual incomes below
A simple random sample of n=350 California adults (age 2 25) was surveyed, and it was found that 147 of them had annual incomes below $40,000. This data was used to construct a 95%-Conf1dence Interval for the proportion of all California adults (age 2 25) with income below $40,000, resulting in the interval. . . H (0.381, 0.459) (0.376, 0.464) H (0.368, 0.472) H O O O O a (0.402, 0.438)
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