JEE Main – Paper I – Maths – Statistics and Probability – Test 4
No of questions – 10
Marks : 40(10×4)
Time : 15 mins
JEE Main – Paper I – Maths – Statistics and Probability – Test 4
Questionsummary
0 of 10 questions completed
Questions:
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
Information
You have already completed the question before. Hence you can not start it again.
Question is loading…
You must sign in or sign up to start the question.
You have to pass the previous Module’s question in order to start this question
Results
Results
0 of 10 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
 Not categorized 0%
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 Answered
 Review

Question 1 of 10
1. Question
CorrectIncorrect 
Question 2 of 10
2. Question
One ticket is selected at random from 50 tickets numbered 00,01,02,…… , 49. Then the propability that the sum of the digits on the selected ticket is 8,given that the product of these digits is zero equal to
CorrectIncorrect 
Question 3 of 10
3. Question
CorrectIncorrect 
Question 4 of 10
4. Question
CorrectIncorrect 
Question 5 of 10
5. Question
CorrectIncorrect 
Question 6 of 10
6. Question
An run contains nine balls of which three are red , four are blue and two are green .Three balls are drawn at random without replacement from the urn . The propability that thr three balls have different colours, is
CorrectIncorrect 
Question 7 of 10
7. Question
For two data sets, each of size 5, the varainces are given to be 4 and 5 and the corresponding means are given to be 2 and 4, respectively. The variance of the combined data set is
CorrectIncorrect 
Question 8 of 10
8. Question
A scientist is weighing each of 30 fishes . Their mean weight worked out is 30 g and a standard deviation of 2g . Later it was found that the measuring scale was misaligned and always under reported every fish weight by 2 g. The correct mean and standard deviation (in gram) of fishes are respectively
CorrectIncorrect 
Question 9 of 10
9. Question
CorrectIncorrect 
Question 10 of 10
10. Question
CorrectIncorrect