Skip to main content
Here are the curret tough questions we might not get it that much
  1. birthday problem over 3 or more students let say what is the probability of 3 students share the same birthday out of 35 students
  2. intersection probability and sensor problem
  3. How many different 4-letter “words” (arrangements) can be formed from the letters in “STATISTICS”?
  4. A medical test is 95% accurate for detecting a disease (sensitivity) and 90% accurate for correctly identifying healthy people (specificity). If 1% of the population has the disease, what is the probability that a person who tests positive actually has the disease?
  5. Counting with repetitions, Law of total probability, Geometric distribution
  6. Inclusion-Exclusion Principle