Statistics MCQs – Basic probability Part 11
Get top class preparation for CTET/Paper-1 right from your home: get questions, notes, tests, video lectures and more- for all subjects of CTET/Paper-1.
Download PDF of This Page (Size: 92K) ↧
201. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.25, p(3) = 0.15 and p(7) = 0.2. What is E(5X + 2)?
a. 12.5
b. 11.8
c. 14.5
d. 17.0
e. 12.3
Answer: B
202. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.1, p(3) = 0.2 and p(7) = 0.3. What is E(5X + 2)?
a. 12.5
b. 11.8
c. 14.5
d. 17.0
e. 12.3
Answer: C
203. You are given the following probability distribution: p(-1) = 0.1, p(2) = 0.4, p(3) = 0.3 and p(7) = 0.2. What is E(5X + 2)?
a. 12.5
b. 11.8
c. 14.5
d. 17.0
e. 12.3
Answer: D
204. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.15, p(3) = 0.25 and p(7) = 0.2. What is E(5X + 2)?
a. 12.5
b. 11.8
c. 14.5
d. 17.0
e. 12.3
Answer: E
205. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.1, p(3) = 0.3 and p(7) = 0.2. What is V(3X - 1)?
a. 80.0
b. 78.7
c. 99.5
d. 46.8
e. 79.6
Answer: A
206. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.25, p(3) = 0.15 and p(7) = 0.2. What is V(3X - 1)?
a. 80.0
b. 78.7
c. 99.5
d. 46.8
e. 79.6
Answer: B
207. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.1, p(3) = 0.2 and p(7) = 0.3. What is V(3X - 1)?
a. 80.0
b. 78.7
c. 99.5
d. 46.8
e. 79.6
Answer: C
208. You are given the following probability distribution: p(-1) = 0.1, p(2) = 0.4, p(3) = 0.3 and p(7) = 0.2. What is V(3X - 1)?
a. 80.0
b. 78.7
c. 99.5
d. 46.8
e. 79.6
Answer: D
209. You are given the following probability distribution: p(-1) = 0.4, p(2) = 0.15, p(3) = 0.25 and p(7) = 0.2. What is V(3X - 1)?
a. 80.0
b. 78.7
c. 99.5
d. 46.8
e. 79.6
Answer: E
210. You are given the following probability distribution: p(-2) = 0.2, p(0) = 0.15, p(2) = 0.6 and p(4) = 0.05. What is E(4X – 1)?
a. 3.00
b. 1.80
c. 3.32
d. 3.80
e. 6.60
Answer: A
211. You are given the following probability distribution: p(-2) = 0.3, p(0) = 0.15, p(2) = 0.45 and p(4) = 0.1. What is E(4X – 1)?
a. 3.00
b. 1.80
c. 3.32
d. 3.80
e. 6.60
Answer: B
212. You are given the following probability distribution: p(-2) = 0.15, p(0) = 0.2, p(2) = 0.61 and p(4) = 0.04. What is E(4X – 1)?
a. 3.00
b. 1.80
c. 3.32
d. 3.80
e. 6.60
Answer: C
213. You are given the following probability distribution: p(-2) = 0.2, p(0) = 0.15, p(2) = 0.5 and p(4) = 0.15. What is E(4X – 1)?
a. 3.00
b. 1.80
c. 3.32
d. 3.80
e. 6.60
Answer: D
214. You are given the following probability distribution: p(-2) = 0.05, p(0) = 0.15, p(2) = 0.6 and p(4) = 0.2. What is E(4X – 1)?
a. 3.00
b. 1.80
c. 3.32
d. 3.80
e. 6.60
Answer: E
215. You are given the following probability distribution: p(-2) = 0.2, p(0) = 0.15, p(2) = 0.6 and p(4) = 0.05. What is V(2X + 3)?
a. 12.0
b. 16.4
c. 10.1
d. 15.0
e. 8.8
Answer: A
216. You are given the following probability distribution: p(-2) = 0.3, p(0) = 0.15, p(2) = 0.45 and p(4) = 0.1. What is V(2X + 3)?
a. 12.0
b. 16.4
c. 10.1
d. 15.0
e. 8.8
Answer: B
217. You are given the following probability distribution: p(-2) = 0.15, p(0) = 0.2, p(2) = 0.61 and p(4) = 0.04. What is V(2X + 3)?
a. 12.0
b. 16.4
c. 10.1
d. 15.0
e. 8.8
Answer: C
218. You are given the following probability distribution: p(-2) = 0.2, p(0) = 0.15, p(2) = 0.5 and p(4) = 0.15. What is V(2X + 3)?
a. 12.0
b. 16.4
c. 10.1
d. 15.0
e. 8.8
Answer: D
219. You are given the following probability distribution: p(-2) = 0.05, p(0) = 0.15, p(2) = 0.6 and p(4) = 0.2. What is V(2X + 3)?
a. 12.0
b. 16.4
c. 10.1
d. 15.0
e. 8.8
Answer: E