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seraphim [82]
3 years ago
12

a survey 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.

Mathematics
2 answers:
galben [10]3 years ago
8 0

Answer:

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

KiRa [710]3 years ago
6 0

Answer:

P(A/B)=0.375 and P(A)=0.25

Step-by-step explanation:

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