Practice Questions

These questions are NOT graded.

Let’s say you get a job as a senior analyst at a food regulatory body such as the FSSAI. One of your tasks is to check whether the amount of lead content in certain food products is within the permissible limit.

Recently, the company Kwick Foods filed a complaint against Sunshine, its competitor, claiming that Sunshine’s ready-to-cook pasta contained excessive quantities of lead.

Suppose you take 10 random pasta packets from the market and get them tested for their lead content. It just so happens that you have picked out packets from a very defective batch, and there is a 5% (or 0.05) probability that any pasta packet you select is going to be defective.

If you wish to go through the solution for question 3, you can find it in the following Excel:

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