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A survey of several 9 to 11 year olds recorded the following amounts spent on a...

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Basic Math

A survey of several 9 to 11 year olds recorded the followingamounts spent on a trip to the mall: $22.91,$17.13,$13.60 Constructthe 99% confidence interval for the average amount spent by 9 to 11year olds on a trip to the mall. Assume the population isapproximately normal. Step 3 of 4 : Find the critical value thatshould be used in constructing the confidence interval. Round youranswer to three decimal places.

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A survey of several 9 to 11 year olds recorded the followingamounts spent on a trip to the mall 229117131360 Constructthe 99 confidence interval for the    See Answer
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