Business Statistics - Study Mode

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[#276] "The concept of a control system model is applied to data processing where all the features are used in the programmes of the data processing." This system is a

(A) Systems control

(B) Planning

(C) Organisational structure

(D) Management

Correct Answer

(A) Systems control

[#277] Binomial distribution is a discrete probability distribution which expresses probability of one set of dichotomous alternatives known as

(A) Mode

(B) Average mean

(C) Correlation Analysis

(D) Success and failure

Correct Answer

(D) Success and failure

[#278] The standard deviation of poisson distribution is (m = mean)

(A) m 2

(B) m

(C) √m

(D) $$frac{1}{{sqrt { ext{m}} }}$$

Correct Answer

(C) √m

[#279] Match the following List-I (Probability) List-II (Formula) a. $$Pleft( {A cup B}
ight)$$ 1. $$frac{{Pleft( {A cap B}
ight)}}{{Pleft( B
ight)}}$$ b. $$Pleft( {A/B}
ight)$$ 2. $$Pleft( {B/A}
ight) imes Pleft( A
ight)$$ c. $$Pleft( {B cap A}
ight)$$ 3. $$Pleft( A
ight) + Pleft( B
ight)$$ d. $$Pleft( {B/A}
ight)$$ 4. $$frac{{Pleft( {A cap B}
ight)}}{{Pleft( A
ight)}}$$

(A) a-1, b-2, c-3, d-4

(B) a-4, b-3, c-2, d-1

(C) a-3, b-1, c-2, d-4

(D) a-3, b-2, c-1, d-4

Correct Answer

(C) a-3, b-1, c-2, d-4

[#280] Given X = 0.85Y, Y = 0.89X, σ x = 3, r will be

(A) 0.32

(B) 0.46

(C) 0.87

(D) 0.39

Correct Answer

(C) 0.87