Weblusign-MAT 2290G- www webassignet/web/Student Assignment-Responses/submitdep-

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Weblusign-MAT 2290G- www webassignet/web/Student Assignment-Responses/submitdep-18263009 dla search Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and the Intemet are reducng privacy. A survey conducted by Peter D. Hart Research Associates for the Shel Poll was reported in usA Today According to the survey, si % of aans are concerned that mplyers are monitomg phone calls. Use the binomial dstribution fomda to calculate the probablity of the following () Out of four adults, none is concemed that employers are monitoning phone calls. (Round your answer to three decimal places.) Out of four adults, all are concerned that employers are monitoring phone calls. (Round your anower to three decimal places Out of four adults, exactly two are concemed that omployers are monstoning phone calls. (Round your answer to theee decimal places.) Need Help? LRsEN · 2 points 52.030 My Notes Ask Your osy about 6S% o' al donated t man blood can be used in hospitals. The remaning ss cannot be used because or vanous ntectons r, the blood, sopose a blood bak ha ia newly donated pents of blood. Lat r be·bronial random vanatle that represents the nnber ur-good" pries oat can be used. (a) Based on questionnares completed by tha donors, t believed that at hastof the 10 pants are usate, what a the probaette that at iest er the pra se asee thisbelof is true? Compute 8 6 S r), (Rord your answer to three decinal places.) (b) Assuring the beief that at least 6 of the pms aro saable is true, what is the probabaty that al i0 pints can be used? Compute Arr tree decimal places) i 6 S ry

Explanation / Answer

Solution:- n = 4, p = 0.51 , q = 0.49

a) 4C0*(0.51)^0*(0.49)^4 = 0.0576 = 0.058(rounded)

b) 4C4*(0.51)^4*(0.49)^0 = 0.0677 = 0.068(rounded)

c) 4C2*(0.51)^2*(0.49)^2 = 0.3747 = 0.375(rounded)

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