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Free CFA-Level-I Exam Braindumps (page: 300)

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PDF with 3963 Questions

What do we call the value called z that is computed using sample data?

  1. Decision rule
  2. Test statistic
  3. Parameter
  4. None of these answers

Answer(s): B

Explanation:

The z-values are statistics generated to provide a measure of testing the hypothesis.



Carlson Jewelers permits the return of their diamond wedding rings, provided the return occurs within two weeks of the purchase date. Their records reveal that 10 percent of the diamond wedding rinds are returned. Five rings are bought by five different customers. What is the probability that none will be returned?

  1. 0.372
  2. 0.590
  3. 0.500
  4. 0.073
  5. 0.250

Answer(s): B

Explanation:

This is a binomial probability. The probability of getting r successes out of n trials where the probability of success each trial is p and probability of failure each trial is q (where q = 1-p) is given by: n!(p^r)[q^(n-r)]/r!(n-r)!.
Here n = 5, r = 0,p = 0.10 and q = 0.90. Therefore we have 5!(0.1^0)(0.9^5)/0!5! = 0.590.



What is the annual Internal Rate of Return of this series of annual cash flows: Year 0: <$4,000>, Year 1:
$2,000, Year 2: $0, Year 3: $0, Year 4 number).

  1. 14.04%
  2. 15.28%
  3. 11.61%
  4. 25.29%
  5. 12.59%

Answer(s): B

Explanation:

On the BAII Plus, press CF 2nd CLRWork 4000 +/- ENTER DownArrow 2000 ENTER DownArrow DownArrow 0 ENTER DownArrow DownArrow 0 ENTER DownArrow DownArrow 4000 ENTER DownArrow DownArrow 2nd Quit. Then press Irr CPT. On the HP12C, press these keys: 4000 CHS BlueShift CFo 2000 BlueShift CFj 0 BlueShift CFj 0 BlueShift CFj 4000 BlueShift CFj. Then press YellowShift Irr. The "DownArrow" represents the downward-pointing arrow on the top row of the BAII Plus keyboard. Make sure the BAII Plus has the P/Y value set to 1.



Which of the following is /are true?

  1. Multiplying every value in a distribution by 2 will double the sample variance.
    II. Multiplying every value in a distribution by 2 will double the sample mean.
    III. Adding a constant to every value in a distribution increase the sample variance by the square of the constant.
  2. I, II & III
  3. I only
  4. II only
  5. III only
  6. I & III

Answer(s): C

Explanation:

Multiplying every value in a distribution by 2 will double the sample mean and standard deviation and quadruples the variance. Adding a constant to every value in a distribution leaves the sample variance unchanged.






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