A Texas House representative proposed placing solar panels on all public schools to increase green energy and reduce energy costs

A Texas House representative proposed placing solar panels on all public schools to increase green energy and reduce energy costs for districts.

Suppose a manufacturer’s panels will be purchased only if real-world results of the proposed panels show that more than 18% of the panels produce an efficiency greater than 20%. Of a random selection of 140 panels, 32 of the panels result in an efficiency rating greater than 18%. Is there sufficient evidence at the 5% significance level to purchase the proposed panels?

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