The following list shows the items and prices for a restaurant order. calculate the total amount if there is 7.5% tax and the customer leaves 15% gratuity. appetizer: $8.99 2 entrees: $14.99 1 entre: $12.99 3 drinks $1.99 each a) $70.96 b) $71.62 c) $75.31 d) $75.97

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

How do you solve a question like this?

How can you find the mean absolute deviation (mad) for this set of data?