A spinner's landing angle is uniform over 360 degrees. Find P(a marked 90-degree sector).
A1/4
B1/2
C1/3
D3/4
Answer & Solution
Correct answer: A. 1/4
The marked sector occupies ninety of the 360 equally likely angular degrees.
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 draw from 4 red and n blue balls, n a positive integer: P(red)>2/3. Largest n?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.