Question2: (Marks:7+3= 10) a) A random variable X has the following probabilityd

Question

Question2:                                                                                                                        (Marks:7+3= 10)

a)

A random variable X has the following probabilitydistribution:

x

4                            5                        6

P(x)

0.3                        0.5                      0.2

Find the mean and standard error of the mean for a randomsample of size 2.

b)

It is known that 3% of the persons living in Gujranwala city areknown to have a certain disease. Find the mean and standard errorof sampling distribution of proportion of diseased persons in arandom sample of 500 persons.

x

4                            5                        6

P(x)

0.3                        0.5                      0.2

Explanation / Answer

please consult me, is this answer right or wrong.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.