Guesstimate Example # 6 | How many toothbrushes are sold in the state of Odisha in a year?

 

Q. How many toothbrushes are sold in the state of Odisha in a year?

Assumptions:

  • Population of Odisha = 3cr
  • Life of an average toothbrush = 1yr (if used twice a day), 2yrs(if used once a day)
  • Assuming %age of people in each category to be:
  • 30% – brush twice a day
  • 70% – brush once a day

Calculations:

No. of toothbrushes sold to final consumers in Odisha in a year are: Taking weighted mean:-                

0.3x3x1 + 0.7x3x0.5 = 1.95cr toothbrushes

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