11.2 420.75 D) 0.37 11. Base on question &,whit is the probuhility thet a candonly seleciod graande sudeat is female? Bi043 C)076 D)024 12 lane cn qaesion 9, if one sdesl is selected at aadoen has is the prohability being&grte; sdent givee thai heperson is a male soudet A) 0.76 C)028 y014 13, Suppose tha pH of a certain chemical compoend has ncan of 5.00 with stndard deviation 0.2. A large hutch of the compound is sudivided and a smple given to each sludert in a aoming ldb and cach std ie an atemoos lab Let the aserage pH as delemined by the rmoeming studems and the average pli an dsermined by de afiemon stalents. If pll is a tomed variable and there are 25 1ens in each lab. A)00566 B) 0.0471 C) 0.9232 D) 09864
NOTE: WE ARE SUPPOSE TO ANSWER ONE QUESTION AT A TIME, SO I WILL GIVE U SOLUTION OF 10 FOR REST REPOST THE QUESTION
10)TOTAL STUDENT ARE 37+26+28+9=100
TOTAL GRADUATE STUDENTS ARE 37
PROBABILITY OF BEING A RANDOMLY INDIVIDUAL IS GRADUATE = 37/100 = 0.37
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