I have a couple questions about stats Which id the following describes two independent events ? 1. The number of ice cream you had last week and this week 2. The total spending in a fast food restaurant from the same customer on two different days 3. Roll a dice twice 4. The two approved rates for the president in June And July Also Suppose a grocery store records all transactions in a day has a list of numbers. You need a program to process each transaction and calculate the total sales on that day. What structure would you use to calculate the total sales? A decision structure (if/else ) A loop structure