Since it is known that the number of questions asked by a faculty member in his test exams comes from a normal distribution with an average of 30 standard deviation of 3, a. What is the probability that this faculty member asked less than 24 questions in the exam? b. What is the probability that this faculty member asks between 27 and 36 questions? c. What is the probability that this faculty member asks more than 30 questions?

Which of the following best describes why you need to establish goals for your program?

What two things do you consider when evaluating the time value of money

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.