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Safety data have been collected in a manufacturing plant for the past several years. During an initial time period of 2 years, 15 lost-time accidents
Safety data have been collected in a manufacturing plant for the past several years. During an initial time period of 2 years, 15 lost-time accidents occurred. A safety improvement program was then instituted. During the next '| year, 10 lost-time accidents occurred. Has the safety initiative resulted in an improvement in the safety level in the plant as measured by the lost- time accident rate?. You may assume the data were tested and conform to a Poisson distribution. Use a Confidence Level of 95%. What is the p value for the test statistic? Record your answer to four places after the decimal point (e.g. X.XXXX)
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