Consider the following Python session and its output. >>> import numpy as np>>> a = np.random.uniform(size=(7, 6)) >>> b = a/a[1, :] >>> print(XXXX) 1.0 What should you replace XXXX with in order to get the following output?

What is the output of the following Python session? >>> a = 7 >>> b = a >>> a = 2 >>> print(b * a)

Which of the following is NOT typically used as a means of assessing a learning algorithm?

Consider the following valuation factors of a company: It owns 1000 cars valued at $20,000 each It holds patents worth $5,000,000 It owes $5,000,000 in loans It pays $1.00 per year per share in dividends starting in one year The stock price is $60.00 per share There are 1,000,000 shares outstanding The discount rate is 5% The risk free rate is 0% What is the intrinsic value of the company?

Consider the following Python session and its output. >>> import numpy as np >>> a = np.random.uniform(size=(4, 8)) >>> b = a/a[2, :] >>> print(XXXX) 1.0 What should you replace XXXX with in order to get the following output?

Consider the following data: COL_1 COL_2 COL_3 100.00 0.00 0.00 101.00 0.01 0.01 102.00 0.01 0.02 100.00 -0.02 0.00 102.00 0.02 0.02 What might the data in each of the columns represent (from left to right)?

Suppose you have historical stock price data with data missing on some days in history (the values are NaN). You still want to use the data in backtesting and calculation of technical factors.  Which of the following options are recommended (in the book)?

Under stare decisis, judges in current cases follow, whenever possible, the interpretation of law determined by judges in prior cases.

Mary was driving her four kids to soccer practice one day when she was rear-ended by Ted. Ted was driving his Porsche too fast and did not see that traffic was at a standstill. Mary’s minivan was damaged and required extensive repairs. Mary also had to go to the chiropractor for whiplash injuries she sustained in the accident. Mary meets with an attorney to discuss filing a lawsuit against Ted to recover compensation for her injuries and the damage to her vehicle. If the attorney takes the case, she will likely file which type of claim against Ted?

What is important to assess in a child receiving prednisone to treat nephrotic syndrome?