7. Picnic You are responsible for buying the hamburger rolls for an upcoming picnic. Each bag of rolls costs $1.30 and contains 8 rolls. You need to buy a total of 64 rolls. How much money will it cost for the rolls?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.