A large restaurant chain is curious what proportion of their customers in a given day are new customers. They are thinking of taking a sample of either n = 50 or nº= 100 customers and building a one-sample z interval for
a proportion using the data from the sample.

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75