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Problem 2267. Sales Prediction

Created by Swapnali Gujar

Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and goes till last shop. Looking at her pattern of shopping from previous week, a shopkeeper wants to predict the probability of her shopping from his shop this weekend. Can you help the shopkeeper?

Also, find the average amount that she spent in last week.

Example

 item_price = [10 35 2 100 99 87 1 0.5 9 30] 
 total_items_shopped = [ 2 0 5 10 8 9 1 0 0 1]
 Average spending = $73.22
 Probability of shopping from shop# 5 is:0.22

Problem Group

Solution Statistics

10 correct solutions 12 incorrect solutions
Last solution submitted on Jun 29, 2014