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mikaelalcool1
27.06.2019 •
Mathematics
Asurvey was taken of children between the ages 7 and 12. let a be the event that the person rides the bus to school, and let b be the event that the person has 3 or more siblings.
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Ответ:
The statement is true about whether A and B are independent eventa is fourth option:
A and B are not independent events because P(A/B)=0.375 and P(A)=0.25
Step-by-step explanation:
Let A be the event that the person rides the bus to school, then:
P(A)=75/300
P(A)=0.25
Let B be the event that the person has 3 or more siblings, then:
P(B)=24/300
P(B)=0.25
P(A/B)=9/24
P(A/B)=0.375
Like P(A/B)=0.375 is different to P(A)=0.25 the events are not independent
Answer. Fourth option:
A and B are not independent events because P(A/B)=0.375 and P(A)=0.25
Ответ:
Google
Step-by-step explanation:
It is not a joke, it´s a real number.
Is 1+ one hundred 0´s