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

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