4 answers
3
The probability of a boy or a girl being born is $1 / 2$. For a family having only three children, what is the probability of having two girls and one boy?$3 / 8$$1 / 8$$...
1 answer
4
$\displaystyle S = \int_{0}^{2\pi } \sqrt{4\cos^{2}t +\sin^{2}t} \, \, dt$Please explain how to solve it.
3 answers
11
​​The least number of squares to be added in the figure to make $\text{A B}$ a line of symmetry is$6$$4$$5$$7$
2 answers
12
For positive non-zero real variables $p$ and $q$, if$\log \left(p^2+q^2\right)=\log p+\log q+2 \log 3,$then, the value of $\frac{p^4+q^4}{p^2 q^2}$ is$79$$81$$9$$83$
2 answers
13
1 answer
18
Three different views of a dice are shown in the figure below.The piece of paper that can be folded to make this dice is
1 answer
19
​​​​​​Given a dataset with $K$ binary-valued attributes (where $K>2$ ) for a two-class classification task, the number of parameters to be estimated for learn...
1 answer
20
1 answer
22
1 answer
28
Consider the $3 \times 3$ matrix $\boldsymbol{M}=\left[\begin{array}{lll}1 & 2 & 3 \\ 3 & 1 & 3 \\ 4 & 3 & 6\end{array}\right]$.The determinant of $\left(\boldsymbol{M}^{...