Question

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg):
Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

Answer 1

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Total number of wheat bags==11

So,that the number bags having more than 5 kilograms =7

Probability of a bag contain more than 5 kilograms ==7/11

P is 7/11

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Answer 2

Concept: Probability is the study of the chances of events happening.

Required probability = Number of trials in which the event happens/Total number of trials

 

 Given: 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

 

Total numbers of wheat flour bags = 11

The weight of flour more than 5 kg are 5.05, 5.08, 5.03, 5.06, 5.08, 5.04, 5.07

Numbers of bags containing more than 5 kg of flour = 7

Required probability, P(more than 5 kg of flour) = 7/11

P(more than 5 kg of flour) = 7/11

Hence, the probability that any of these bags chosen at random contains more than 5 kg of flour is 7/11.

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