Which of the following metric tends to fluctuate i.e. may increase or decrease as we go down the ranks of the set of retrieved documents in an information retrieval system ?

Compute the interpolated precision as discussed in class for a recall of 0.5 from the given tuples. The data is presented in the following format : (Precision, Recall) 

(0.2, 0.1), (0.3, 0.6), (0.9, 0.7), (0.91, 0.2), (0.98, 0.73)

How will you manipulate the parameters k and b of BM25 to convert it to TF/IDF ?

You are an engineer who has to build an information retrieval system for a doctor. The system can only retrieve a fixed number of documents at a time after which there is a long waiting period until a new set of documents can be retrieved. You want to minimize the time taken for the doctor to retrieve the most relevant document for their query. Which metric are you going to optimize to achieve this ?

The price of a stock is $17.1. A call option on this stock has a strike price of $13.6 and is quoted at $4.5.

You enter a short position in this European call option.  One option contracts covers 100 underlying shares. 

The call option is exercised when the stock price is $27.6. Calculate your total net loss:

The price of a stock on July 1 is $47.5. A trader enters a long European put option on this stock with a strike price of $52.1.

The quoted option price is $5.6. One option contract covers 100 shares.

If the put option is exercised when the stock price is $45.2, what is the trader’s net profit is:

Koľko spoločníkov môže mať spoločnosť s ručením obmedzeným?

Aké sú tri základné organizačno-právne formy podnikania?

Spojte kroky pri zakladaní spoločnosti s ručením obmedzeným s ich správnym poradím:

Commonwealth Bank (CBA) shares are currently trading at $75. Three months from now, CBA will pay a dividend of $4.2 per share. If the riskless interest rate is 9% pa, what is the fair forward price ("F") for delivery of CBA shares in 13 months time?

Enter your answer to 2 decimal places. Do not enter the dollar sign "$".