Marisa needs 1.4 hours to comeplete 7 homework problems. How long does each problem take? A: 0.1 hours B: 0.2 hours C: 0.7 hours
2 answers:
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Answer:
36.36% probability that she gave birth to quadruplets
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcoes.
Desired outcomes:
Giving births to quadruplets.
She has 4 sets of quadruplets.
So
Total outcomes:
At least 3 children(triplets).
7 sets of triplets and 4 sets of quadruplets.
So
Probability:
36.36% probability that she gave birth to quadruplets