Q12] The probability of stock A rising is 0.3, and the probability of stock B rising...
Event A occurs with probability 0.3, and event B occurs with probability 0.4. If A and B are independent, we may concludeA. P(A and B) = 0.12.B. P(A|B) = 0.3.C. P(B|A) = 0.4.D. All of the above
11) The probability that a student got an B on a recent exam is 0.3. The probability that a student studied 10 hours or more is 0.4. The probability that a student studied 10 hours or more and got and B is 0.25. The probability that a student got a B given that they studied 10 hours or more is 0.625. Which of the below is true A. Studying more than 10 hours and getting an B are mutually exclusive...
QUESTION 3 The probability that an American industry will locate in Berlin is 0.7, the probability that it will locate in Munich is 0.4, and the probability that it will locate in either Berlin or Munich or both is 0.8. What is the probability that the industry will locate in both cities? a. 0.2 b.0.8 О с. 0.4 d.0.3 QUESTION 4 The probability that an American industry will locate in Berlin is 0.7, the probability that it will locate in...
2.30 Probability of independent events. Given two independent events A and B with PIA 0.3, PB 0.4, find (a) P[AU B; (b) P[AB); (c) P[BIA); (d) P BA)
1. Suppose that P(A) = 0.3, the P(B) = 0.4, and the probability of the intersection of A and B = 0.12, find P(B|A). Write your answer as a decimal. 2.Suppose that P(A) = 0.3, P(B) = 0.4, and the probability of the intersection of A and B = 0.12 find P(A|B). Write your answer as a decimal.
a. Stock Moon and Noon have the following probability distributions of returns: Probability Returns Stock Moon Stock Noon 20% 10% 12% 15% 2% 0.3 0.4 0.3 -2% From the above information, calculate for each stock: i) The expected rate of return. (3 Marks) ii) The standard deviation. (3 Marks) iii) The coefficient of variation. (2 Marks) iv) Based on your calculation in part (iii), decide on the stock that you should invest on. Justify your answer. (4 Marks) b. Suppose...
The market and Stock J have the following probability distributions: Probability rM rJ 0.3 14% 21% 0.4 8 3 0.3 20 11 Calculate the expected rate of return for the market. Round your answer to two decimal places. % Calculate the expected rate of return for Stock J. Round your answer to two decimal places. % Calculate the standard deviation for the market. Do not round intermediate calculations. Round your answer to two decimal places. % Calculate the standard deviation...
a women is rich is 0.4, the probability that she is beautiful is 0.3, and the probability that she is either rich or beautiful is 0.5, then we can show that the probability that she is both rich AND beautiful equals 0.2 What is the probability that a rich woman is beautiful?
Event A and B are such that P(A)=0.3 , P(B)=0.4 . If the event A happens, then even B cannot happen. What is the probability of either A or B or Both?
The probabilities that stock A will rise in price is 0.48 and that stock B will rise in price is 0.52. Further, if stock B rises in price, the probability that stock A will also rise in price is 0.25. a. What is the probability that at least one of the stocks will rise in price? (Round your answer to 2 decimal places.) Probability