In class XI of a school 40% of the stude...

In class XI of a school 40% of the students study Mathematics and 30% study Biology 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology.

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MODERN PUBLICATION-PROBABILITY -EXERCISE

In class XI of a school 40% of the students study Mathematics and 30% ...
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Write the sample space of the following Random experiment : A coin i...
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Describe the sample space for the indicated experiment, A coin is ...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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Describe the sample space for the indicated experiment in the followin...
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2 boys and 2 girls are in room X, and 1 boy and 3 girls in room Y. Spe...
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A box contains 1 red and 3 identical white balls. Two balls are drawn ...
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An experiment consists of tossing a coin and then throwing it second t...
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A coin is tossed. If it shows a head, we draw a ball from a bag consis...
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One die of red colour, one white and one of blue are placed in a bag. ...
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An experiment consists of rolling a die and then tossing a coin once, ...
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Suppose 3 bulbs are selected at random from a lot. Each bulb is tested...
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A coin is tossed. If the outcome is a head, a die is thrown. If the di...
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A coin is tossed. If it shows tail, we draw a ball from a box which co...
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Find the sample space associated with the experiment of rolling a pair...
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A coin is tossed once. Write its sample space. Find the total number o...
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