K$-$Means algorithm

Select the problem sets, where k$-$means clustering can be applied.

Weather forecast for next week, given the dataset of weather information for last five years

Given an ecom company$$s customer details $-$ the products they purchased and the amount spent. The company wants to group it$$s customers based on their buying behaviour.

Predict whether a new customer would respond to a bank$$s new product basis his historical information

All of the above