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.
