The average spending at Necos salad bar is 808 with a standa

The average spending at Neco\'s salad bar is $8.08 with a standard deviation of $2.6. The distribution follwos t-distribution. The management is inersting in the middle 90% of the customers (spending wise) as it believes that they represent their true customer base. What will be the difference between the upper and lower spending cut-offs which define the middle 90% of the customers if the sample contains 41 customers?

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