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Following are the wages of 8 workers in rupees: 50, 62, 40, 70, 45, 56, 32, 45. If one of the workers is selected at random, what is the probability that his wage would be lower than the average wage?
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Following are the wages of 8 workers in rupees: 50, 62, 40, 70, 45, 56...
Find the average. of all. = 50

lower then 50

40. probability 1/8

45. probability 1/8

32 probability 1/8

45 probability 1/8

sum 1/8 + 1/8 + 1/8 + 1/8. = 4/8. = 1/2. = 0.5
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Following are the wages of 8 workers in rupees: 50, 62, 40, 70, 45, 56...
Calculating Average Wage

  • First, we need to calculate the average wage of the workers.

  • To do this, we add up all the wages and divide by the total number of workers:

  • 50 + 62 + 40 + 70 + 45 + 56 + 32 + 45 = 400

  • 400 / 8 = 50

  • So, the average wage is 50 rupees.



Calculating Probability

  • To find the probability that a randomly selected worker earns less than the average wage, we need to know how many workers earn less than 50 rupees.

  • We can see that three workers earn less than 50 rupees (40, 45, and 32).

  • So, the probability of selecting a worker who earns less than the average wage is:

  • 3 / 8 = 0.375 or 37.5%



Explanation

  • The question asks for the probability that a randomly selected worker earns less than the average wage.

  • To find this probability, we need to calculate the average wage and determine how many workers earn less than that amount.

  • We then divide the number of workers earning less than the average wage by the total number of workers to get the probability.

  • In this case, 3 out of 8 workers earn less than the average wage, so the probability is 0.375 or 37.5%.

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Following are the wages of 8 workers in rupees: 50, 62, 40, 70, 45, 56, 32, 45. If one of the workers is selected at random, what is the probability that his wage would be lower than the average wage?
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