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Statistics and Probability — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsStatistics and Probability1 Mark
MCQ
Choose the correct answer from the given four options:
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is:
  • A
    7
  • ✓
    14
  • C
    21
  • D
    28
✓

Answer

Correct option: B.
14
Here, total number of eggs = 400
Probability of getting a bad egg = 0.035
$\Rightarrow\ \ \frac{\text{Number of bad eggs}}{\text{Total number of eggs}}=0.035$
$\Rightarrow\ \ \frac{\text{Number of bad eggs}}{400}=0.035$
$\therefore\ \ \text{Number of bad eggs}=0.035\times400=14$

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