Sail E0 Webinar

Quantitative Aptitude

PROBABILITY MCQs

Probability, Probability I

Total Questions : 775 | Page 75 of 78 pages
Question 741. If the standard deviation of a population is 10, what would be the population variance?
  1.    100
  2.    30
  3.    5
  4.    20
 Discuss Question
Answer: Option A. -> 100
Question 742. A table tennis player, lost 12 games out of 18 games played
  1.    0.667
  2.    0.067
  3.    0.50
  4.    0.333
 Discuss Question
Answer: Option D. -> 0.333
Question 743. If the standard deviation of a population is 4
  1.    20.25
  2.    20
  3.    9
  4.    18
 Discuss Question
Answer: Option A. -> 20.25
Question 744. The mean of a distribution is 21 and the standard deviation is 7
  1.    16.66%
  2.    66.66%
  3.    33.33%
  4.    100%
 Discuss Question
Answer: Option C. -> 33.33%
Question 745. The mean of a distribution is 18 and the standard deviation is 4
  1.    50%
  2.    25%
  3.    100%
  4.    75%
 Discuss Question
Answer: Option B. -> 25%
Question 746. The mean of distribution is 11 and the standard deviation is 5
  1.    45.45%
  2.    35.35%
  3.    25.25%
  4.    55.55%
 Discuss Question
Answer: Option A. -> 45.45%
Question 747. The mean of a distribution is 20 and the standard deviation is 4
  1.    10%
  2.    20%
  3.    40%
  4.    60%
 Discuss Question
Answer: Option B. -> 20%
Question 748. X attempts 100 questions and gets 340 marks
  1.    14
  2.    15
  3.    12
  4.    13
 Discuss Question
Answer: Option C. -> 12
Question 749. If the standard deviation of 0, 1, 2, 3
  1.    K+1
  2.    K
  3.    K+4
  4.    K+8
 Discuss Question
Answer: Option B. -> K
Question 750. Find the range and mode of the data 17, 18, 28, 19, 16, 18, 17, 29, 18
  1.    12 and 18
  2.    13 and 18
  3.    12 and 17
  4.    11 and 17
 Discuss Question
Answer: Option B. -> 13 and 18

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0