Answer:
twice
Step-by-step explanation:
to find expected value multiply probablility and number of events
0.40 times 5 = 2.0
Your answer is 60
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Answer:80
15% of 80 is 12
80/10=8=10%
8/2=4=5%
8+4=12=15% of 80
31 + 32 + 33 = 96
