Mathematics, 25.04.2020 01:40 emilyturchon

A market research firm conducted a survey to determine the average amount of money consumers spend on chewing gums each week. A sample of 100 such consumers revealed that the sample mean is $20 and the sample standard deviation is $5. What is the probability that a sample of 100 consumers spend between $19 and $21 on chewing gums

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A market research firm conducted a survey to determine the average amount of money consumers spend o...