In a factory quality assurance test is conducted on various samples for a specific characteristic value of the product

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Q 2442480333.     In a factory quality assurance test is conducted on
various samples for a specific characteristic value of
the product. The values and the number of samples
are as given in the following table:

Consider the following statements based on the table:

1. The probability that X le 15 is 0.64

2. The probability that 13 < X le 17 is greater than
0.64

3. The probability that X = 15 is less than 0.22

Which of the above statements is/are not true?
IAS 1999 Prelims
A

1 alone

B

1 and 2

C

2 and 3

D

1, 2 and 3

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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