Today, According to Estimates, How Many Operational Nuclear Weapons Exist

question 38

Multiple Choice

Today, according to estimates, how many operational nuclear weapons exist in the world?

• A)40
• B)400
• C)1,400
• D)4,300

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Definitions:

T Distribution

A probability distribution that emerges in the context of estimating the mean for a normally distributed population, applicable when dealing with a small sample size and the population standard deviation is not known.

Degrees of Freedom

The number of independent pieces of information available to estimate another parameter or the number of values in the final calculation of a statistic that are free to vary.

Interval Estimation

A range within which a population parameter is estimated to lie, based on sample data and a certain level of confidence.

Standard Deviation

The statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.