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kipiarov [429]
3 years ago
5

This probability distribution shows the typical distribution of the number of shoes in a teenager's closet. Using the distributi

on, find the probability that a teenager has 3 or fewer pairs of shoes in their closet.

Mathematics
2 answers:
Assoli18 [71]3 years ago
6 0
  • Total teenagers=12+20+38+20+10=90
  • Student having 3 or fewer pairs=12+20+38=70

\\ \rm\Rrightarrow P(\leqslant 3)

\\ \rm\Rrightarrow \dfrac{70}{100}

\\ \rm\Rrightarrow 70\%

mote1985 [20]3 years ago
5 0

Answer:

70%

Step-by-step explanation:

Total number of teenagers surveyed

12+20+38+20+10 = 100

Find the number of teenagers with 3 or fewer pairs of shoes

12+20+38 =70

P(3 or fewer) = teenagers with 3 or fewer/ total

                       = 70/100

                       = 70%

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