Q. The probability distribution of discrete random variable is classified as

View solution

Q. The standard normal probability distribution has mean equal to 40, whereas the value of random variable x is 80 and the z-statistic is equal to 1.8 then the standard deviation of standard normal probability distribution is

View solution

Q. In standard normal probability distribution, the z-score of distribution will be zero if

View solution

Q. If the value of λ is 9 and value of random variable x is 5 then the value of z-score is

View solution

Q. The formula of calculating the expected value of random variable x of gamma distribution is as

View solution

Q. If the z-score of normal distribution is 2.5, the mean of the distribution is 45 and the standard deviation of normal distribution is 3 then the value of x for a normal distribution is

View solution

Q. If the μ is equal to 25 then the value of mean for exponential probability distribution is

View solution

Q. The discrete probability distribution in which the outcome is very small with a very small period of time is classified as

View solution

Q. Considering the normal distribution, the spread is increased and the height of the curve is decreased for the

View solution

Q. If the number of trials are 8 and the probability of success are 0.65 then the mean of negative probability distribution is

View solution

Q. The class of variable which can accept only the values from set of integers is classified as

View solution

Q. If the total number of elements with some specific characteristics is 18 from a population of 40 and the sample is drawn without replacement with the size of 4 then the mean of hyper geometric probability distribution is

View solution

Q. If the rate of occurrences in Poisson probability distribution is smaller and the occurrences have large numbers then the distribution tends to be

View solution

Q. The selling price of product is subtracted from purchasing price of product to calculate

View solution

Q. The process in which the trials are statistically independent and each trial of event has only two outcomes is classified as

View solution

Q. If the chances of success in a distribution are 0.68 and the number of values in distribution are 4 then the mean of Poisson probability distribution is

View solution

Q. If the trial is repeated 6 times and the chances of success for desired outcome is 0.75 then the variance for negative probability distribution is

View solution

Q. In the normal distribution, the z-score and z-statistic are classified as names of

View solution

Q. If the value of failure in binomial probability distribution is 0.70 and success is 0.30 and the number of values in distribution are 7 then the moment coefficient of kurtosis is

View solution

Q. The binomial probability distribution is classified as symmetric if

View solution