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The probability of a student getting an A in mathematicsis 0.14. The probability a student not getting an A inchemistry is 0.85. The probability that a randomly selectedstudent will get an A in both mathematics and chemistryis 0.03. What is the probability that a student will get an Ain mathematics or chemistry?O 0.2600.7100.7400.29

User Numan Karaaslan
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3.1k points

2 Answers

27 votes
27 votes

Answer:

0.29

Explanation:

User Brian Patterson
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2.7k points
16 votes
16 votes

0.29

Explanation

Step 1

the probability of an event is the likelihood of that event occuring. Probability is a value between (and including) zero and one


P=\frac{favorabl\text{e outcomes}}{\text{total outcomes}}

event1: a student getting an A in mathematics

The probability of a student getting an A in mathematics

is 0.14


\begin{gathered} P(A)=0.14 \\ \end{gathered}

and

event b:a student getting an A in chemistry

The probability a student not getting an A in

chemistry is 0.85,it means the probability a student getting an A is 0.15.


P(B)=0.15

hence,

the probability that a student will get an A

in mathematics or chemistry is


P(A\text{ or B)=P(A)+P(B)=0.14+0.15=0.29 }

I hope this helps you

User Sharp
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