Question: Two shooters, Rodney and Philip, practice at a shooting range. They fire 100 rounds each at separate targets. The targets are marked with circles and

Two shooters, Rodney and Philip, practice at a shooting range. They fire

100 rounds each at separate targets. The targets are marked with circles and each bullet hitting a particular circle gets them a particular number of points. 60 rounds are selected at random. The sample mean scores of Rodney and Philip are 8 and 7, respectively. And, their variances are 0.25and 0.50, respectively.The standard error of the difference between their mean scores is 0.11

.The 95% confidence interval for the difference between the mean scores of Rodney and Philip is ? [ , ].

(Enter a minus sign if your answer is negative.

Round the answer to two decimal places.)

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