AP ICET 10 Sep 2020 Shift 2 Paper

Question : 148 of 200

Marks: +1, -0

Statistical Ability

A student appears for tests I, II and III. He will be successful if he passes through either Test I and Test II or Test I and Test III. The probability of a student passing the tests I, II, Ill are p, q,

1/2

respectively. If the probability that a student is successful is

1/2

, then which one of the following is true?

$p = q = 1/2$
$p = 1, q = 1/2$
$p = 1/2, q = 1$
$p = 1/2, q = 1/4$

Validate

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