A construction matenial manu fachuner composite beams that are. Prmed to hold up to a maximum weight of 6Q0 O lbs 'without A sample of 1 00 beams is gatherad are each beam, is subjeated, to an uncreasng werght, load unp the beam, fas Thet Sample mean wight requred to cave failure in thi sample way found'to be qu0 Tbs wah a sample tandard devratun if 8001b Test the nult hy pothresis HoiH 6000 aganst the alternatine hypothess Hy

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A construction matenial manu fachurer
compos.te beams that are
prgumed to hold up to a marimum
weight of 6gò_O lbs 'without
A sample of 100 beams is yathered arel
each beam, is subjeted, to an Jncreasing
tmerght,load unhP the beam, fails, Thed
sample mean might requined to caye failune
in thi sample was foynd'tp be qud Tos wih
a sample jtandard devratun if 8001b
Test the null hypotresss Ho: H? 6000
Ò
againt
the alternatine hupotheses HyeG000
Signiticance lovél d= 0.05
a) Cateulate test statistic facepary to?
b) Caleulate cntical ualue at edge
of rejetion region tacuracy to 7decina
decithat plates
places)
)cataulate p-value (acuray to 3decimal
places
d) what is the conclusAn of the
hypsthers test?
reject or do not vejeet the
noll hypotheis?
Transcribed Image Text:A construction matenial manu fachurer compos.te beams that are prgumed to hold up to a marimum weight of 6gò_O lbs 'without A sample of 100 beams is yathered arel each beam, is subjeted, to an Jncreasing tmerght,load unhP the beam, fails, Thed sample mean might requined to caye failune in thi sample was foynd'tp be qud Tos wih a sample jtandard devratun if 8001b Test the null hypotresss Ho: H? 6000 Ò againt the alternatine hupotheses HyeG000 Signiticance lovél d= 0.05 a) Cateulate test statistic facepary to? b) Caleulate cntical ualue at edge of rejetion region tacuracy to 7decina decithat plates places) )cataulate p-value (acuray to 3decimal places d) what is the conclusAn of the hypsthers test? reject or do not vejeet the noll hypotheis?
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