What is the mean of 7 and 38
1 answer:
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Answer:
x=8, x=4
Step-by-step explanation:
<u>Add 4 to both sides</u>
<u>Square root</u>
<u />
x - 6 = ±2
x = 8
OR x = 4
So, x=8 or x=4
<u />
The probability that a student participates in both sports and drama is .
If and
are any two events, then the probability of the joint event
is given by the following formula:
Given that 42% of the students participate in sports and 25% of the students participate in drama and 53% of the students participate in either sports or drama.
Suppose denotes that "a student participates in sports" and
denotes that "a student participates in drama".
So, we have ,
,
.
We want to find the probability that a student participates in both sports and drama i.e., we want to find .
By the above formula, we obtain:
Therefore, the probability that a student participates in both sports and drama is .
To learn more about probability, refer: brainly.com/question/24756209
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