State the condusion in the problem coneert. O Reject the null hypothesis. There

Question

State the condusion in the problem coneert. O Reject the null hypothesis. There is not suficient evide ce to oo that uhe new pant han are lentometer reading higher than 20 De rot reyect the eul hvor chess There eut sarkiere evidece tu cundule that paint has refirotonete readng higher than 20 O Do not reject the ruli hypothesis. There is sufficient evidence to condkude that the new paint has a refleotometer reading higher than 20 O Reject the nut hypotheus There e evidence to onnelude the new paint has a reneemmener reading higher 20 State the conclusion in the problem context. sulloem evidevoe te condude that the riewpair a reledometer reading hiyher than 20. Do not reject the nul hypothesis. There O Reject the run hypothesis There is not suficient evidence condude tatthe een vant has a refertometer reading higher than swhoevt evderoe to condade that the new paint Mas a reflectemeter neadng hgher than 20 O Reyect the eul hysothesis. There State the conclusion in the problem context than 20, o Renect the hrpethesis. There s sumoent evidence to conclude that the new pant has a refeaometer waang higher Do not reject the Bull typotheus. There sursk-nt evide or to owndase that the er paint has ertometrr rensng Ngher than 20 A test of 20 versus u

Explanation / Answer

degree of freedom = n-1 = 14 -1 = 13

p-value = P(t > 3.3) = 1-0.9971 = 0.0039

option d) is correct

since p-value is less than 0.05, we reject the null hypothesis .

b) df = 8-1 = 7

p-value = P(T > 1.8) = 1-0.9426 = 0.0574

since p-value is greater than 0.05 ,

we fail to reject the null hypothesis . , option c) is correct

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