How does a shopping cart works? Basically, when you visit a site like ebay, you are able to view products in a given category, you can add products to cart, you can also go to different pages and select other products that you need to add to your cart. You can also remove item from your shopping cart and finally, you are able to purchase your products. ###Important### We have a quick quiz for you before your bid to assess your ability of an experiment design. Please try out your best answer and provide it in your proposal to this quiz in the attached file.