Question
A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library
A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library
B. Assuming the two events to be statistically independent, what is the probability of the book being available in library A and not available in library B?
More Research Questions
- If the regression coefficients of x on y and y on x are -1/4 and -1/9 respectively, then what is the correlation coefficient between x and y?
- As of January 2026, India's foreign exchange reserves reached approximately USD 701.4 billion. According to the Economic Survey 2025-26, this provides an i...
- High powered money comprises
- Oligopolies can end up looking like competitive markets if the number of firms is
- Economy A shows improved literacy, higher life expectancy, and better school enrolment. Economy B shows high per capita income but also high inequality and...
- The long-run Phillips Curve is ____________ Which indicates
- Which recent policy initiative aims to make India a $5 trillion economy by 2025?
- X, Y and Z constitute a random sample of size 3 from normal population with the mean µ and variance α2, find the efficiency of (X+2Y+3Z)/5
- In the Solow Growth Model, if an economy is at its 'Steady State' and there is a sudden increase in the rate of technological progress (g), the long-run gr...
- In an open economy with free capital flows, the central bank can
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)