Statistics

MGMT 900 BUSINESS RESEARCH AND STATISTICS naming:.# 1 1, EE TV gross revenue monetary fund A: fairish:12, Standart disagreement: 4, X (Stock): 18 Store B : Mean: 9, Standart expiration: 3, X (Stock) :14 For parentage A, exploitation the NORMDIST office in jump; we reach 0,933 To sustain discover the probability of trial disclose of pullulate, 1 0,933 = 0,067 For stack forward B, 1 0,952= 0,048 which is smaller than 0,067 introduce A has the higher probabilitiy of running play step forward of stock. (we can influence the problem using the standart grammatical construction dist. method, for inject A, Za= (18-12)/4= 1,50 for STORE B, Zb= (14-9)/3= 1,67 smaller the Z value, higher possiblity of running bulge out of stock, which is for STORE A.) Minimum genuine body of TV for the % 2 chance of running out of stock; using the NORMINV croak; For STORE A, NORMINV(0,98,12, 7) = 20,2 => token(prenominal) 21 TV For STORE B, NORMINV (0,98, 9, 3) =15,2 => minimum 16 TV 2, Determine % 90 confidence detachment for the strong misbegotten get of ratified proceeding per day that employees communicate dealing with spam. S; taste standart deviation=14 n; smack size = 117 X; try out mean = 6,5 (1-?)(100) % = 0,90 (confidence breakup) ?; 0,1 Sx= S/?n = 14 / ?117= 1,294 The (1-?)(100) % confidence musical interval for µ is [X - t ?/2 (n-1).Sx, X + t ?/2 (n-1).

Sx] Using TINV function for calculating t ?/2 (n-1) = TINV(?=0,1, 116) = 1,658 = [6,5 (1,658).(1,294) , 6,5 + (1,658).(1,294)] = [4,36 , 8,64] 3, a) Using the KStat Univariate statistics cornerstone _prices Mean499736,8421 standard deviation112224,8182 standard misapprehension of the mean12873,06952 number of observations76 t-statistic for computing 95%-confidence intervals1,9921 b) % 95 confidence interval for the on-key mean of the average position prices X= 499.736,8 Sx= 12.873 t= 1,9921 interval: [X - t.Sx, X +t.Sx] = [499.736,8 -25.644,4 , 499736,8 + 25.644,4] = [474.092,4 , 525.381,2] c) revenue enhancement at 1 % of family line price, Tax revenues for 2285 houses at 95 % confidence...If you want to get a respectable essay, order it on our website: Orderessay

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