1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following data for the next three (03) items that follow :

The incidence of suffering from a disease among workers in an industry has a chance of $33\frac{1}{3}\%.$

What is the probability that no one out of 6 workers suffers from a disease?
A
$\frac{665}{729}$
B
$\frac{64}{729}$
C
$\frac{4}{243}$
D
$\frac{1}{729}$
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following data for the next three (03) items that follow :

The incidence of suffering from a disease among workers in an industry has a chance of $33\frac{1}{3}\%.$

What is the probability that at least one out of 6 workers suffer from a disease ?
A
$\frac{728}{729}$
B
$\frac{665}{729}$
C
$\frac{653}{729}$
D
$\frac{596}{729}$
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following frequency distribution for the next three (03) items follow :

Class 0-20 20-40 40-60 60-80 80-100
Frequency 17 p + q 32 p - 3q 19

 

The total frequency is 120. The mean is 50.

What is the value of p ?
A
25
B
26
C
27
D
28
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following frequency distribution for the next three (03) items follow :

Class 0-20 20-40 40-60 60-80 80-100
Frequency 17 p + q 32 p - 3q 19

 

The total frequency is 120. The mean is 50.

What is the value of q ?
A
1
B
2
C
3
D
4
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