A random sample of 20 chocolate energy bars of a certain brand has, on average, 240 calories per bar, with a standard deviation of 15 calories. Construct a 95% confidence interval for the true mean calorie content of this brand of energy bar. Assume that the dstribulion of the calorie content is approximately normal. Click here to view page 1 of the standard nommal distribution table, Click here to view.page 2.of the standard.nomal distribution table. Click here to view page 1.of the table of critical values of the t-distribution, Click here to view page 2 of the table of critical values of the t-distribution. The confidence interval is

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