Which of the following Python methods in statsmodels module is used to perform hypothesis test for a population proportion? Select one. A) prop_1samp_hypothesistest(x, n, null hypothesis value, alternative hypothesis value) B) prop_hypothesis_test(x, n, null hypothesis value, alternative hypothesis value) C) proportions_ztest(counts, nobs, value) D) means_1samp_ttest(mean, std_dev, n, null hypothesis value, alternative hypothesis value)

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.