13-15. Study the following table carefully and answer the questions given below
Distribution of 1000 candidates as regards their marks in written examination
out of 300 and interview out of 100 in a selection examination
INTERVIEW MARKS
Written
Examination
Marks
Below 30
30-39
40-49
50-59
60-69
70 & above
260 & above
18
26
18
26
210 to 259
5
4
30
22
10
9
160 10 209
10
45
56
18
9
110 to 159
28
42
100
I
190
15
60 to 109
35
115
20
8
7
5
Below 60
32
32
20
6
2
Answers
Answer:
according to me answer is 13
Step-by-step explanation:
260 & above (written) AND 70 & Above (interview) = 4
210 – 259 (written) AND 70 & Above (interview) = 9
TOTAL = 13
Answer:
Tabular Distribution
Step-by-step explanation:
Given that:
To find the Distribution of 1000 candidates with regards their marks in written examination.
where out of 300 and interview out of 100 in a selection examination.
Solution:
1) To find candidates who all have obtained more than 69 percent marks and above in both Written examination & interview.
Answer: From the above table of interview marks,
The written marks will be 210 which is 70% in between 300.
Now, the 260 & above for written & 70 & above for the interview is 4.
210- 259 for the written & 70 & above for the interview is 9.
Therefore, 4+9 =13
2) To find candidates who have obtained above 50 in both written & interview.
Answer:
From the above , table we can understand that,
42% of 1000 is 420.
Therefore, the total number of candidates above 50% who have marks in interview is
414(298+82+34)
Is total of overall 41.4% secured successfully.
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