Normal Distribution Statistics(Business Statistics ) Questions and Answers

Question 1. The Normal Curve is asymptotic to the?
  1.    None
  2.    X-axis
  3.    Y-axis
  4.    Along Y=X
Explanation:-
Answer: Option B. -> X-axis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. If Y=5X + 10 and X is N(10,25), then mean of Y is ?
  1.    135
  2.    50
  3.    70
  4.    60
Explanation:-
Answer: Option D. -> 60
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. Normal Distribution ?
  1.    have no Mode
  2.    Multi Modal
  3.    Bi Modal
  4.    Tri Modal
  5.    Uni Modal
Explanation:-
Answer: Option E. -> Uni Modal
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. Which of the following parameter control the relative flatness of normal distribution?
  1.    None
  2.    Mode
  3.    Standard Deviation
  4.    Mean
Explanation:-
Answer: Option C. -> Standard Deviation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. Area Under the normal curve on either side of mean is _____________?
  1.    1
  2.    Mean value
  3.    0.5
  4.    2
  5.    -1
Explanation:-
Answer: Option C. -> 0.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. If X ˜ N(16,49), the mean is___________?
  1.    49
  2.    16
  3.    7
  4.    4
Explanation:-
Answer: Option B. -> 16
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. In case of symmetrical distribution?
  1.    β1=β4
  2.    Mean=Mode=Median
  3.    µ1=µ4
  4.    µ1=µ2
Explanation:-
Answer: Option B. -> Mean=Mode=Median
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The value maximum ordinate of a standard normal curve at Z = 0 is:________?
  1.    1
  2.    0.5
  3.    0.3989
  4.    None of these
Explanation:-
Answer: Option C. -> 0.3989
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The shape of normal curve depends upon ?
  1.    None
  2.    Mean
  3.    Quartile
  4.    Standard Deviation
  5.    Mean Deviation
Explanation:-
Answer: Option D. -> Standard Deviation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. In a certain normal distribution having µ = 35 and variance = 16, then mode will be_______________?
  1.    3.5
  2.    16
  3.    4
  4.    None of these
Explanation:-
Answer: Option A. -> 3.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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