From statement I: 4M + 6W = 20 --------(i) From Statement II: 2M = 3W--------(i) Combining statements, I and II, we will get the answer W = 2M/3 putting the value of W in equation i 4M + 6 × 2M/3 = 20 8M = 20 M = 20×8 10M = (20×8)÷ 10 = 16 days
The square of normal variate with mean 0 and variance 1 follows:
60% of the employees of a company are college graduates. Of these, 10% are in sales. Of the employees who did not graduate from college, 80% are in sal...
If each observation in a data set for number of employees in different divisions is doubled then the coefficient of quartile deviation:
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
Two random variables X and Y are said to be independent if:
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
For the frequency distribution of X number of grammatical mistakes per line is as follows.
X: 0 ...
The incomes of the employees in a state is assumed to be normally distributed with mean ₹15,000 and variance ₹900. The median of the distribution o...
With which characteristic movement of a time series would you associate increasing demand of smaller automobiles?
Which one is parameter from population?
