statstis Decision Making (1000 Homework: Week 7 Homework 40 pts 3 of 16 R comple

Question

statstis Decision Making (1000 Homework: Week 7 Homework 40 pts 3 of 16 R complete) Score: 0 of 1 pt 7.1.37 a home security alarm sure andH, n words andin symbols Then determine heeertheryponhein festfo dam Aseeraty expert claims at most 20% of aa state the nul hypothesis in words and in symbols choose the correct answer below. A. The nun hypothesis expressed n words is, he proposon who own a home securty alam 020" The mahypothesis is pressed symbolcaly as P 020 o B The hypothews expressed in words a The proporton of all homeowners ho own a home eury alam is he mulhypoeheus is pressed ymbolical as H. p 020 O c, nul hypoeess expressedin words he proportion of all homeowners who ow ahome security aamisa 020 Thena hypeeess s.epressed smbolcaly as Pso20" most The hypotess expressed symbolealyash P2020 of O D The nul hypothesis expressed in worden The Proporton

Explanation / Answer

option D is the right one as what we test we place it in the null hypothesis.

so

we are to test that "the prop. of house makers having security alarm is at most 20"

so we place the null as the complement of the statement stated abhove.

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