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Mathematics 30 Online
OpenStudy (anonymous):

What is the probability of getting two heads when tossing a coin four times?

OpenStudy (anonymous):

set: { HHHH,TTTT,HHHT,THHH,HHTT,TTHH,HTHT,THTH,THHT,HTTH} THEN THE ANS: 6/10

OpenStudy (anonymous):

Hrm, that's not the answer.... It's either A. 5/16 B. 1/8 C. 1/2 D. 3/8

OpenStudy (ciarabelen):

C. 1/2

OpenStudy (anonymous):

1/2 x 1/2 x 1/2 x 1/2

OpenStudy (ciarabelen):

The explanation is p(2 heads)= 2/4 then you simpilfy it to 1/2

OpenStudy (anonymous):

eyh, wrong

OpenStudy (anonymous):

wondering which part is wrong, but im pretty sure 1/2 suppose to be multiplied 4 times

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