Question
The median of the following distribution is:
Solution
n = 42 so, (n + 1)/2 = (42+1)/2 = 21.5 so cumulative frequency just greater than 21.5 is 25 & the corresponding value of x is 8 so, our median is 8
In a school, Boys are 60% of total students. 50% Boys students failed. Total 55% of students in school fail. employees in the company are working for mo...
A mixture contains 40 liters of milk and 10 liters of water. How much milk should be added to make the ratio of milk to water 5:1?
Solve the equation:sin(x) + cos(x) = 2·sin(x + α). Then the value of α is:
A gave 30% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.
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28, 52, 84, 124, 172, ?.
? = (3.89 × 64.83 ÷ 12.96) 1.98 + 15.08% of 499.81
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