Solve your IGNOU Doubts

Question:

Let the joint probability density function of two discrete random X and Y be given as:

Image ignouassignments-ignouacademy-com--p-doubts-15605

i) Find the marginal distribution of X and Y.

ii) Find the conditional distribution of X given Y=1.

iii) Test the independence of variable s X and Y.

iv) Find V $\begin{bmatrix} \frac{Y}{X} & = x \end{bmatrix}$

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Question:

Let ( ,X Y) have the joint p.d.f. given by:

f(x,y)= $\begin{Bmatrix} _{0}^1{}\textrm{} &_{otherwise}^{if |y| <x;0<x<1}\textrm{} & \end{Bmatrix}$

i) Find the marginal p.d.f.’s of X and Y.
ii) Test the independence of X and Y.
iii) Find the conditional distribution of X given Y = .y
iv) Compute (E X | Y = )y and (E Y | X = ).x

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Question:

State whether the following statements are True or False. Justify your answer with a short proof or a counter example:
a) If P is a transition matrix of a Markov Chain, then all the rows of lim Pⁿare identical.

b) In a variance-covariance matrix all elements are always positive.

c) If X_1, X₂ ,X₃ , are iid from N₂ ( µ , $\sum$ ), then $\frac{X_{1}+X_{2}+X_{3}}{3} follows N_{2}\begin{pmatrix} \mu ,\frac{1}{3}\sum & \end{pmatrix}$

d) The partial correlation coefficients and multiple correlation coefficients lie between −1 and 1.

e) For a renewal function $M_{1},lim \frac{M_{t}}{t}=\frac{1}{\mu }$

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Question:

Children’s Errors

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Question:

Emergent Mathematics

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Question:

Fantasy

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Question:

Developmentally Appropriate Practice

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Question:

Phonemic Awareness

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Question:

Discuss the cultural appropriateness of the curriculum.

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Question:

“Art is significant for the young children.” Explain the statement.

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Question:

What is the role of an emotionally supportive environment in a child’s language and literacy development?

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Question:

How does depriving children of play opportunities affect their learning and development?

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Question:

Discuss the lack of regulation in the ECCE sector in India.

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Question:

Discuss four factors that affect the play of children by citing relevant examples.

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Question:

Explain different kinds of play by citing relevant examples.

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Question:

Elaborate upon the educational materials and apparatus in the Montessori curriculum.

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Question:

Differentiate between theme-based curriculum and emergent curriculum.

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Question:

You are to choose storybooks for pre-primary level children for conducting read-aloud sessions. Mention specific literary and design elements you would consider while selecting relevant books

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Question:

While conducting the assessment, what points would you take into account for the given?
a) Collecting samples of children’s work
b) Planning and conducting observations of children

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Question:

Briefly explain:
a. Discovery Learning
b. Telegraphic Speech
c. Operant Conditioning
d. Socialization
e. Pruning

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