alleryUniform draw from 4 red and n blue balls, n a positive integer: P(red)>2/3. Largest n?
A1
B2
C3
D4
Answer & Solution
Correct answer: A. 1
The inequality 4/(4+n)>2/3 requires n<2, leaving one as the largest positive integer.
Keep practising Statistics and Probability
Browse all Statistics and Probability questions for GMAT, or explore more Mathematics topics.
Related questions
Of 20 tokens, 5 losers are removed; 3 winners remain. Draw uniformly from the rest. Find PA fair die's face 6 is relabelled 1; other labels stay. What is P(an odd score)?Uniform red-blue bag draws: P(blue)=2/7; after 3 red are removed, 1/2. Original total?Red-blue bag, uniform draw: P(blue)=1/3; adding 4 blue makes it 1/2. Original total?A random two-digit positive integer has matching digits with what probability?A fair die's six faces read 1, 1, 2, 3, 5, 8. What is P(a prime score)?Exactly three outcomes have probabilities 1/2, 1/3 and p. Find p.Pick a letter position uniformly in MISSISSIPPI. What is P(a consonant)?