Question
A schoolteacher is worried that the concentration of dangerous, cancer-causing radon gas in her classroom is greater than the safe level of 9 pCi/L. The
A schoolteacher is worried that the concentration of dangerous, cancer-causing radon gas in her classroom is greater than the safe level of 9 pCi/L. The school samples the air for 16 days and finds an average concentration of 9.4 pCi/L with a standard deviation of 1 pCi/L. The value of the test statistic is__________
Multiple Choice
- z= 1.60
- z= 1.60
- t15= 1.60
- t15= 1.60
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Algebra And Trigonometry
Authors: Ron Larson
9th Edition
1285605705, 9781285605708
