Answer available
Class 12 · Mathematics · Probability
For a binomial distribution with n = 10 and p = 0.4, find the mean and the variance.
3 marksMediumNumerical
Class 12 · ICSE · Mathematics
Probability
Conditional probability, the multiplication theorem, independent events, Bayes' theorem and probability distributions.
- Questions
- 6
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
6 questions in this chapter.
- Answer available
Class 12 · Mathematics · Probability
A factory has two machines. Machine A makes 60% of the output with 2% defective, and machine B makes 40% with 5% defective. An item chosen at random is defective. Find the probability that it came from machine A.
4 marksHardApplication based
- Answer available
Class 12 · Mathematics · Probability
If P(A) = 1/3 and P(B) = 1/2 and A and B are independent, find P(A ∩ B) and P(A ∪ B).
3 marksMediumNumerical
- Answer available
Class 12 · Mathematics · Probability
A fair coin is tossed 5 times. Find the probability of getting exactly 3 heads.
3 marksMediumNumerical
- Answer available
Class 12 · Mathematics · Probability
Define conditional probability and state the multiplication theorem.
3 marksMediumShort answer
- Answer available
Class 12 · Mathematics · Probability
A bag has 4 red and 6 black balls. Two are drawn one after another without replacement. Find the probability that both are red.
3 marksMediumNumerical