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IrinaK [193]
2 years ago
15

Help statisticsno spam​

Mathematics
1 answer:
sashaice [31]2 years ago
4 0

Answer:

<u>P = 20</u>

Step-by-step explanation:

<u>Mean</u>

  • 18.75 = 10(5) + 15(10) + P(7) + 25(8) + 30(2) / 32
  • 18.75 × 32 = 50 + 150 + 7P + 200 + 60
  • 600 = 460 + 7P
  • 7P = 140
  • <u>P = 20</u>
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0.146 divided by 0.04
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