To check on an ambulance service's claim that at least (40 %) of its calls are life-threatening
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To check on an ambulance service's claim that at least \(40 \%\) of its calls are life-threatening emergencies, a random sample was taken from its files, and it was found that only 49 of 150 calls were life-threatening emergencies. Can the null hypothesis \(p=0.40\) be rejected against the alternative hypothesis \(p<0.40\) if the probability of a Type I error is to be at most 0.01 ?
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Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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