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joja [24]
3 years ago
10

Ethan's class is handing out balloon arrangements consisting of 4 balloons each. Each balloon has an equally likely chance of be

ing red, blue, or yellow. Ethan created a spinner to simulate this probability. Here is Ethan's data from 30 trials of 4 spins on the spinner (r = red, b = blue, y = yellow):
ybrr bybb rbbb rrry rbbb rryy yybb ryry ryyr rbyr ryyr rryy rrrr yrby bbyy byyr byyr byyb rbby ybry rryy rbrr rybb bbbr rrbr ybry ryrr rryb rrrb rryr

According to this data, what is the experimental probability that an arrangement will contain at least one yellow balloon?


0.75

0.767

0.233

0.23
Mathematics
2 answers:
Ne4ueva [31]3 years ago
8 0
0.767; 23 of these possibilities are with yellows in it, so 76% of the propabilities
Svetradugi [14.3K]3 years ago
3 0
23/30 are yellow balloons. 23/30 = 76.7 = 0.767. I would say that 0.767 is the answer! I hope this helps and Good Luck!!!  
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