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Mathematics, 19.11.2019 22:31 bnnn

(1 point) in order to set reasonable fund-raising targets, a charitable organization wishes to know the average monthly income of their members. national data suggest incomes should be normally distributed with a standard deviation of σ=240 dollars. if 78 members are randomly selected and their average monthly income found to be x¯¯¯=1500 dollars, find the following. round your answers to two decimal places.

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