customers. The CEO of the chain hypothesized that the average customer spends at least $13.50 on lunch. A survey of 25 c

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customers. The CEO of the chain hypothesized that the average customer spends at least $13.50 on lunch. A survey of 25 c

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Customers The Ceo Of The Chain Hypothesized That The Average Customer Spends At Least 13 50 On Lunch A Survey Of 25 C 1
Customers The Ceo Of The Chain Hypothesized That The Average Customer Spends At Least 13 50 On Lunch A Survey Of 25 C 1 (29.47 KiB) Viewed 29 times
customers. The CEO of the chain hypothesized that the average customer spends at least $13.50 on lunch. A survey of 25 customers sampled at one of the restaurants found the average lunch bill per customer to be * = $14.50. Based on previous surveys, the restaurant informs the marketing manager that the standard deviation is o = $3.50. Lunch bills are Normally distributed. To address the CEO's conjecture, the marketing manager carries out a test of hypothesis. The test statistic to use is given by which of the formulas? O (+ 13.50) VR Ox-1) 0 V (x - 13.50) ་ Vn (x - 14.50) 0 V
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