n the md lu us a doctor cedded to make the doctors wash thalr hands with a stron
ID: 2909277 • Letter: N
Question
n the md lu us a doctor cedded to make the doctors wash thalr hands with a strong dentectant bat oo patients at a d ic w h a death ate ot 4%, he doctor anted 1"est t e h potesis that the death ate ould go do atter he na hand was ng procedure as used what uli and atemathe h otheses should he have used? Explain. using both words ?? d symbols. Explain the mesring oi anyaymbols you use. State the nul and sltemative hrypotheses using words 0 A Hy The death rats has ncreased to vale greater than 12.4% after strong hand washing. H lhe death rat has dacreased to a value less than 12 4%. " H. The death rate has decreased to value less tan 12.4%. C. Ha lhe death rate has remained te same at 12.4% ater st arting hand-aasring > D- The death rathas remained te same at 12.4% ner starting hand-washing. 1, The death rato has changed from 12.4%. statate nul and altamatN? hypotheses using symbol Chaase tha ramact answer below OA Ho p-0124, H 0124i the proportion of detha atdcExplanation / Answer
Solution:-
a) (B)
State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.
H0 : Death rate has remained the same at 12.4% after starting hand washing.
HA : Death rate has decreased to a value less than 12.4%.
Note that these hypotheses constitute a one-tailed test.
b) (A)
State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.
H0 : P = 0.124
HA : P < 0.124
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