Question
There are three envelopes with three different
addresses writen on them. Three leters are to be enclosed in these three envelopes such that one leter goes inside one envelope without seeing the address writen on any envelope. What is the probability that each of the three leters goes into the envelope with correct address writen on it?Solution
Total no. of ways =3!=6 and favourable no.of ways =1. So, required probability = 1/6
Which of the following best describes a method to handle inconsistent data when integrating datasets from different sources?
A dataset contains "USA," "United States," and "U.S." as country entries. What is the best way to resolve these inconsistencies?
A study estimates the average weight of a population with a 95% confidence interval of (65 kg, 75 kg). What does this mean?
Which sampling technique is best suited for dividing a population into distinct subgroups and ensuring each subgroup is proportionally represented?
Which type of data visualization is most useful for identifying the relationship between two continuous variables?
Which of the following is a characteristic of a relational database management system (RDBMS) that distinguishes it from other database systems?
In data transformation, what is the primary purpose of standardization?
A company notices an increase in sales every December due to holiday shopping. Which component of time series data does this represent?
What is the primary advantage of using the ARIMA (AutoRegressive Integrated Moving Average) model for forecasting time series data?
In the context of metadata for data management, which of the following examples best illustrates descriptive metadata?
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