Math Solutions

[All Steps] Using significance level 0.05 evaluate claim that percent of small businesses closed this year (population proportion) is greater than 26%. Sample


Question: Using significance level 0.05 evaluate claim that percent of small businesses closed this year (population proportion) is greater than 26%. Sample of 500 small businesses were taken all over the country and 145 of them were closed this year.

H 0 – population proportion p ≤ 0.26
H 1 – population proportion p > 0.26

Calculate test statistics

Find p-value (use Table A-2) and make decision: reject or not reject H 0 .

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