Consider the following statements :
1.A continuous random variable can take all values in an interval.
2.A random variable which takes a finite number of values is necessarily discrete.
3.Construction of a frequency distribution is based on data which are discrete.
Which of the above statements are correct ?
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
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Which among the following events happened earliest ?
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An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy