fazalrazaq150 fazalrazaq150
  • 10-12-2021
  • Mathematics
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the two-way table shows information about the subjects studied

the twoway table shows information about the subjects studied class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-12-2021

Answer:

  a) 62

  b) 31/45

Step-by-step explanation:

a) The table tells you there are 42 males, and 20 more females that study biology.

  42 +20 = 62 . . . are male or study biology or both

__

b) Of the total of 90 people, 62 are male or study biology (or both). The probability that any person is in that category is ...

  62/90 = 31/45 = P(male or biology)

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