The probability will be 17% so that a randomly chosen student at Michael's school will have a pet dog or a pet cat.
Probability is the extent to which an event is likely to occur, measured by the ratio of the favourable cases to the whole number of cases possible.
Here we have a data that
38% of the students have a pet dog
24% of the students have a pet cat
11% of the students had both a pet dog and a pet cat.
The total percentage of the cat and the dog is = 38%+24%=62%
The percentage of students having both Cat and Dog is:=11%
So the probability that a randomly chosen student at Michael's school will have a pet dog or a pet cat:
[tex]P=\dfrac{11}{62}=0.177=17.7\%[/tex]
Thus the probability will be 17% so that a randomly chosen student at Michael's school will have a pet dog or a pet cat.
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