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Start learning 50% faster. Sign in nowA bag contains 20 balls Calculation: ⇒ We have to at least one ball of each colour ⇒ Even if we pick 8 balls there is a probability all of them may be green. Hence we must pick more than 8 balls for sure ⇒ Now even we pick (8 + 7) balls or 15 balls, there is a probability that all of them may be green and white only with no red ball picked at all. ⇒ Hence taking the worst possible scenario in consideration we must pick = 15 + 1 = 16 ∴ The required result will be 16.
Which type of data visualization is most useful for identifying the relationship between two continuous variables?
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Which of the following query will return the third-highest salary from an Employee table in SQL?
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Which sampling technique involves dividing the population into mutually exclusive subgroups and then randomly selecting samples from each subgroup?
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