Answer all problems below, include your workings for me.

Question 1 :1 point: Semistrong form efficiency implies: I a] All historical market information, including prices and volume. is included in the price. I b] All information, both public and private is already incorporated in the price. I c} Superior returns may be obtained by the analysis of past prices and volumes. d] All public information is already incorporated in the price. Question 211 point]- Which ofthe following is NOT an empirical challenge to market efficiency? I a] small stocks tend to outperform large stocks I b] value stocks tend to outperform growth stocks I c] investors appear to react slowly to earnings announcements di stocks sometimes return more than their expected return s, and at othertimes return less than their expected returns Question 3 [1 point]- Which ofthe following should not lead to an increase in market efciency? I a] Information is available faster I b] Infon'nation is available at a lower cost cjl There are more assets {for example, number of stocks) in the market for the same number of market participants I d] There are more participants in the markets for the same number ofassets Question 411 polnt] An exchange rate regime is one under which rates of exchange are determined in the market on the basis of predominantly private transactions is called: Question 4: The time until failure of a certain type of fan used in a diesel engine follows an exponential distribution with mean 25,000 hours. a) Identify the value of 2. b) What is the probability that a randomly selected fan will last at least 10,000 hours? c) What is the probability that two randomly selected fans of this type will last at least 10,000 hours? d) What is the probability that a randomly selected fan will last between 20,000 and 30,000 hours? e) What is the probability that a randomly selected fan will last at least 50,000 hours given it has lasted 40.000 hours?We will explore the continuous uniform distribution in this question. Part I) Say that you observe five random variables from the continuous uniform distribution on 0 to 0. This means that f(= ) = 1 if O