Related InterviewSolutions

• State the relation between the probability of success and failure in Bernoulli trials.
• Find the standard deviation of the binomial distribution having n = 8 and probability of failure
• The probability of failure in a binomial distribution is 0.6 and the number of trials in it is 5. Find the probability of success.
• The binomial distribution has mean 5 and variance \(\frac{10}{7}\). What will be the type of this distribution ?(a) Positively skewed(b) Negatively skewed(c) Symmetric(d) Nothing can be said about the distribution
• Define continuous random variable.
• Which of the following is the formula of probability of an event of not getting a success in the binomial distribution with parameters n and p?(a) nC0pnq0(b) nC0p0qn(c) nC0pqn(d) nC0pnq
• Define discrete random variable.
• Which variable of the following will be an illustration of discrete variable ?(a) Height of a student(b) Weight of a student(c) Blood Pressure of a student(d) Birth year of a student
• State the formula to find variance of discrete variable.
• Mean and variance of a discrete probability distribution are 3 and 7 respectively. What will be E (X2) for this distribution ?(a) 10(b) 4(c) 40(d) 16