1.

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes. Outcomes 3 heads 2 heads 1 heads No head Frequency 23 72 71 28 If the three coins are simultaneously tossed again, compute the probability of 2 heads coming up.

A. \[\frac{4}{40}\]                                  
B. \[\frac{2}{23}\]                      
C.  \[\frac{9}{25}\]                     
D.       \[\frac{3}{28}\]
Answer» D.       \[\frac{3}{28}\]


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