**ISI M.Stat Sample Model Papers 2020**

Indian Statistical Institute ISI M.Stat 2020 Model Question Papers 2020 ISI M.Stat Sample Question papers ISI M.Stat Mock Test Question Paper for 2020 Exam, This ISI M.Stat Question are based on the syllabus but here some of the question may out of syllabus, just for your better exam ISI M.Stat Exam preparation.

Indian Statistical Institute (ISI) M.Stat 2020 exam Model Paper 2020 will help all the students for their ISI M.Stat exam preparation, here the ISI M.Stat Sample question 2020 are MCQ i.e. multiple choice question answers, if this ISI M.Stat Model question paper 2020 in pdf file format you can download it in FREE, if ISI M.Stat Sample Paper 2020 in text format you can download ISI M.Stat page also just Go to menu bar, Click on File->then Save.

**ISI M.Stat Sample Model Papers 2020**

**ISI M.Stat Sample Model Papers 2020**

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**1. There are two biased coins** { one which has probability 1=4 of showing heads and 3=4 of showing tails, while the other has probability 3=4 of showing heads and 1=4 of showing tails when tossed. One of the two coins is chosen at random and is then tossed 8 times.

(a) Given that the rst toss shows heads, what is the probability that in the next 7 tosses there will be exactly 6 heads and 1 tail?

(b) Given that the rst toss shows heads and the second toss shows tail, what is the probability that the next 6 tosses all show heads?

**2. Let V1 be the variance of the estimated mean** from a stratied random sample of size n with proportional allocation. Assume that the strata sizes are such that the allocations are all integers. Let V2 be the variance of the estimated mean from a simple random

sample of size n.

Show that the ratio V1=V2 is independent of n.

**ISI M.Stat Sample Papers Part I **

**ISI M.Stat Model Papers Part II**

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