Question 1 (2 points) Listen A random sample of n = 58 customers at a fast-food restaurant had a mean bill of - $9.63. I

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Question 1 (2 points) Listen A random sample of n = 58 customers at a fast-food restaurant had a mean bill of - $9.63. I

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Question 1 2 Points Listen A Random Sample Of N 58 Customers At A Fast Food Restaurant Had A Mean Bill Of 9 63 I 1
Question 1 2 Points Listen A Random Sample Of N 58 Customers At A Fast Food Restaurant Had A Mean Bill Of 9 63 I 1 (31.74 KiB) Viewed 71 times
Question 1 (2 points) Listen A random sample of n = 58 customers at a fast-food restaurant had a mean bill of - $9.63. If the population standard deviation is a = $0.89. find the 91% confidence interval (including units) of the mean bill for all customers. Assume the variable is normally distributed and state the distribution used to find the interval. <p>Distribution used:</p> <p>Confidence interval:</p> 7 A
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