55 is the sum of 24 and Delia's age. Use the variable d to represent Delia's age.
2 answers:
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Answer:
0.2833 = 28.33% probability that a student in the class chosen at random is neither an Actuarial Statistics nor a Data Science major
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
In this question, we have that:
There are 300 students.
80 + 5 = 85 are not Actuarial statistics or data science majors. So
0.2833 = 28.33% probability that a student in the class chosen at random is neither an Actuarial Statistics nor a Data Science major
If 
is left, that means 
was spent. So of the total amount is equal to 39.. Let's say x to the total amount. 