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5. The price of a popular sport shoe at AD Sports store is RM179. Fariza bought five of the same shoe at an online site
5. The price of a popular sport shoe at AD Sports store is RM179. Fariza bought five of the same shoe at an online site for the following prices: 155 179 175 175 161 Assuming that the prices of shoes are normally distributed, determine whether there is sufficient evidence in the sample, at the 5% level of significance, to conclude that the average price of the shoe is less than RM179 if purchased at an online site
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