Question: answer question another question will save this response. Question & of 9 gestion 8 15 points _ Saved A schoolteacher is worried that the concentration

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another question will save this response. Question & of 9 gestion 8 15 points _ Saved A schoolteacher is worried that the concentration of dangerous, cancer causing radon gas in her classroom is greater than the safe level of 5 pCI/L. The school samples the air for 32 days and finds an average concentration of x - 4.8 pCi/L with the known standard deviation of o - 0.2 pCI/L. Test the hypothesis at a 5% significance level. Arial we fail to reject he

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