Q6 of 8 Page 307

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg):

4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5.07, 5.00


Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

Here, the sample space is 11 as the total number of bags


being the same.


Let E be the event of choosing the bag with weight more than 5 kg


These bags have weight = 5.05, 5.08, 5.03, 5.06, 5.08, 5.04, 5.07


Hence Number of favorable outcomes = 7


∴


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a) Are the four different colour outcomes equally likely? Explain.


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c) Find the sum of their probabilities.

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A letter is chosen from English alphabet. Find the probability of the letters being

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An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained is given in the following table:


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iii. Having no accidents in the year.

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