BPSC CCE Statistics Question Paper 2025 PDF Download

Bihar Government Jobs Administrative / Civil Services

  • Conducted By BPSC
  • Maximum Marks 300
  • Duration 3 Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination Combined Competitive Examinations (CCE)
Conducting Body BPSC
Paper Statistics
Subject Statistics
Duration 3 Hours
Maximum Marks 300
Question Type Mixed

This document contains the Statistics paper for the Combined Competitive Examinations (CCE) conducted by BPSC. With a maximum of 300 marks and a time limit of 3 hours, this paper is vital for aspirants targeting administrative and civil services roles in Bihar. It includes a mix of objective and descriptive questions, covering key statistical concepts. Practicing this paper helps candidates understand the exam pattern, difficulty level, and important topics, thereby enhancing their preparation strategy for the BPSC CCE.

Major Topics Covered

  • Probability
  • Events
  • Conditional Probability
  • Chebyshev's Inequality
  • Coin Toss Probability
  • Hypothesis Testing
  • Regression Coefficient
  • Randomness Tests
  • Cramer Rao Lower Bound
  • Unbiased Estimator
  • Statistical Inference

Why This Paper is Important

  • Useful for Combined Competitive Examinations (CCE) preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • BPSC CCE General Studies Paper
  • BPSC CCE Optional Subject Papers
  • Bihar Administrative Services Previous Papers
  • BPSC CCE Statistics Answer Key 2025
  • BPSC CCE Statistics Syllabus
  • BPSC Exam Syllabus
  • BPSC CCE Exam Pattern
  • BPSC Exam Pattern

Instructions

  • Answer the following questions: निम्नलिखित प्रश्नों के उत्तर दीजिये: (a) If A and B are two events such that P(A) = \frac{1}{3}, P(B) = \frac{1}{4} and P(A \cup B) = \frac{1}{2}, then find out (i) P(\overline{A} \cap \overline{B}) by the straight of \mathbb{R}^3 as a contribution of \overline{A} and \overline{B} (ii) P[(\overline{A} \cap B) \cup (A \cap \overline{B})] and a relation of \overline{B} \cap A (e) \overline{A} \cap B (e) 91 (iii) P(A/B) (except) (specifical manipulational functional compact) (iv) P(B/A) 10 यदि A तथा B दो घटनाएँ इस प्रकार हैं कि P(A) = \frac{1}{3}, P(B) = \frac{1}{4} तथा P(A \cup B) = \frac{1}{2}, तो ज्ञात कीजिये sacity three rails if it is known (i) P(\overline{A} \cap \overline{B}) নছাই চামিলেৰ কিছুল বন্ধ নাৰ মহা (ii) P[(\overline{A} \cap B) \cup (A \cap \overline{B})] is so that the depth of a spectral is , a (ps) (iii) P(A/B) rieftanüh välidsdota erit avsnt YuaJ (d) (iv) P(B/A) (b) Use Chebychev's inequality to determine how many times a fair coin must be tossed in order that the probability will be at least (0.9) that the ratio of the observed number of heads to the number of tosses will lie between (0.4) and (0.6)? 10 चेबीचेव असमिका का प्रयोग करते हुये सिक्कों की उछालों की ऐसी संख्या ज्ञात कीजिये जिसमें इसकी प्रायिकता कम से कम (0.9) हो कि कुल प्राप्त शीर्षों का उछालों से अनुपात (0.4) तथा (0.6) के मध्य हो ? 02/GO/CC/M-2025-46 \frac{1}{2} - \frac{1}{2} (Turn Over)

Questions (page 2)

Q1.

(c) Yields of wheat for three years are as follows : Year (X): -1 overline{2} 3 Yield (Y): Y1 Y2 Y3 Obtain a test for the hypothesis H0 : eta_{YX} = 0 against H1 : eta_{YX} eq 0, where lpha = 0.05 and eta_{gamma X} is the regression coefficient of Y on X. 10 गेहूँ की तीन वर्षों की उपज निम्नलिखित हैं: वर्ष(X): 1 2 3 उपज(Y): Y1 Y2 Y3 परिकल्पना H0 : β_YX = 0 का परीक्षण H1 : β_YX ≠ 0 के विरुद्ध ज्ञात कीजिये, जबकि lpha = 0.05 तथा eta_{gamma X}, Y का X पर समाश्रयण गुणांक है।

(d) Describe run test for randomness with examples. 10 उदाहरणों के साथ यादच्छिकता के लिए रन परीक्षण का वर्णन कीजिये ।

(e) Under what conditions the inequality becomes an equality in case of Cramer Rao lower bound ? Explain it and cite an example. 10 क्रेमर राव निम्नतम प्रतिबन्ध में असमता किन परिस्थितियों में समता बन जाती है ? इसे समझाइये तथा एक उदाहरण दीजिये ।

Q2.

(a) Four unbiased coins are tossed simultaneously. Find the probability of getting exactly three tails if it is known that first toss is a tail. 15 चार अनभिनत सिक्के एक साथ उछाले जाते हैं । अगर यह ज्ञात है कि पहले सिक्के पर पट (टेल) है, तो तीन पट (टेल) मिलने की प्रायिकता ज्ञात कीजिये ।

(b) Let Y have the probability function fY(n) = eginpmatrix n + r-1 \ n endpmatrix pr qn; n = 0, 1, 2, . . , p > 0, p + q = 1, show that T = rac{inomr-1r + 1}r + y-1 is an unbiased estimator of p. 20 माना कि Y का प्रायिकता फलन fY(n) = n + r-1 choose n pr qn rac36; n = 0, 1, 2, . , p > 0, p + q = 1, दिखाइये कि T = left{rac(r-1)r + y-1
ight}, p का अनभिनत आकलक है।

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Frequently asked questions

What is the full name of the exam?

The exam is the Combined Competitive Examinations (CCE).

Which conducting body organizes this exam?

The Bihar Public Service Commission (BPSC) conducts this examination.

What is the subject of this question paper?

The subject is Statistics.

What is the maximum marks for this paper?

The maximum marks for this paper are 300.

What is the time duration allowed for the exam?

The time allowed for the exam is 3 hours.

What is the paper code?

The paper code is 02/GO/CC/M-2025-46.

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