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Free CFA-Level-I Exam Braindumps (page: 249)

Page 248 of 991
PDF with 3963 Questions

If 68% of the observations of a bell-shaped, symmetrical frequency distribution fall between -20 and + 60, the mean and the standard deviation of the distribution are:

  1. 40, 20
  2. 40, 40
  3. 20, 20
  4. 20, 40

Answer(s): D

Explanation:

Since the distribution is symmetrical about the mean, the mean is equal to (-20 + 60)/2 = 20. According to the empirical/Normal rule, for a bell-shaped, symmetrical frequency distribution, 68% of the observations lie within one standard deviation of the mean. Therefore, the standard deviation equals 60-20 = 40.



What is the range of values for a coefficient of correlation?

  1. -1.0 to +1.0 inclusive
  2. Unlimited range
  3. -3 to +3 inclusive
  4. None of these answers
  5. 0 to +1.0

Answer(s): A

Explanation:

The closer the value to 1 or -1, the stronger the correlation. The sign +/- just shows the direction, not the strength.



What is your monthly payment, beginning next month, on a $19,000 loan, if you pay it off over 48 months and the interest rate is 5.9% per year, compounded monthly?

  1. $398.68
  2. $1,411.86
  3. $448.60
  4. $397.26
  5. $445.34

Answer(s): E

Explanation:

On the BAII Plus, press 48 N, 5.9 divide 12 = I/Y, 19000 PV, 0 FV, CPT PMT. On the HP12c, press 48 n, 5.9 ENTER 12 divide i, 19000 PV, 0 FV, PMT. Note that the answer will be displayed as a negative number. Make sure the BAII Plus has the value of P/Y set to 1.



A selected group of employees of Unique Buying Services is to be surveyed with respect to a new pension plan. In depth interviews are to be conducted with each employee selected in the sample. The employees are classified as follows.

Classification Event Number of Employees
Supervisors A 120
Maintenance B 50
Production C 1,460
Management D 302
Secretarial E 68

What is the probability that the first person selected is either in maintenance OR in secretarial?

  1. 0.001
  2. 0.015
  3. 0.200
  4. None of these answers
  5. 0.059

Answer(s): E

Explanation:

There are 2000 employees of which 50 are from maintenance and 68 in secretarial. Therefore (50 + 68)/2000 = 0.059.






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