Question
She replied to their angry question by _____________
walking out of the room. Fill in the blanks with the most suitable word from the options.Solution
The adverb ‘calmly’ is correct here. She replied to their angry question by calmly walking out of the room.
The memory-less property is followed by which of the following continuous distribution:
The square of normal variate with mean 0 and variance 1 follows:
For the random variable X with probability density function f(x) = (x−3)2 /5; x = 3, 4, 5, the variance of X is:
The variation among the observations of each specific class is known as:
If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
For frequency distribution presentation , which option is wrong.
For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:
From standard pack of 52 cards, 3 cards are drawn at random without replacement. The probability of drawing a king, a queen and a jack in order is
If mean and median of the distribution are 12 and 21, then the distribution
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