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ANTONII [103]
4 years ago
15

Ryan’s mom randomly chooses two days each week for Ryan to do his chores. What is the probability that she picks Saturday and Su

nday?
Mathematics
2 answers:
torisob [31]4 years ago
4 0
There are a total of 7C2 of options for Ryan's mom to choose.

If Ryan's mom picks Saturday and Sunday, this is the only 1 option in those 7C2 of options. Thus, the propability is (1 / 7C2) × 100% = 4.762%.
Alona [7]4 years ago
4 0

Answer:

Probability that she picks Saturday and Sunday = 1/21 = 0.0476

Step-by-step explanation:

Total number of days in a week = 7

Number of days selected = 2

Total number of combinations = 7C₂ =\frac{7*6}{1*2} =21

Total number of favorable ways = 1 that is  Sunday and  Saturday.

Probability that she picks Saturday and Sunday = 1/21 = 0.0476

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