In a binomial experiment, if n=1, the distribution is called: MCQ with Answer and Explanation

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In a binomial experiment, if n=1, the distribution is called:

A. Exponential

B. Normal

C. Bernoulli

D. Poisson

Answer: Option C

Solution (By JKSSB Mock Tests)

A single trial with two outcomes is a Bernoulli trial.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Maternal Mortality Ratio (MMR) is expressed per 100,000 live births to:

A. Simplify calculation

B. Align with census data

C. Avoid very small numbers for a relatively rare event

D. Match infant mortality rate units

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Correct Answer: Option C

Explanation:
Maternal deaths are uncommon; using 100,000 as the base yields manageable numbers (e.g., 100-500) instead of tiny decimals, facilitating interpretation and cross-country comparison.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The weighted arithmetic mean formula is:

A. Σwx / Σw

B. Σx / Σw

C. Σw / Σwx

D. Σwx / n

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Correct Answer: Option A

Explanation:
Weighted mean = Σ(w_i × x_i) / Σ w_i.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The geometric mean of a set of values is less than or equal to the arithmetic mean. This is known as:

A. Time reversal test

B. AM-GM inequality

C. Central limit theorem

D. Bayes' theorem

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Correct Answer: Option B

Explanation:
For non-negative numbers, AM ≥ GM always holds.

This question belongs to: Accountancy and Statistics Statistics

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