Question

If a supermarket has L items, the number of possible itemsets is

Answer 1

Answer is L/2

Hope it helps you

Answer 2

Answer:

2^L - 1

Explanation:

In supermarket, if you have L number of items, then the way in which can pick up those and the number of possible itemsets formed would be

2^L - 1

The options go like this; either pick the first item, then pick the second item or not, then the third item till the last L item in market. If we follow this, total itemsets would be 2^L. Eliminating the empty set would give us;

2^L - 1