Which viewing window boundaries would allow you to see all the intercepts and the maximum, as closely as possible, for the funct
ion y = –x2 + 3x + 20?
The minimum window boundary for the x-axis should be
The maximum window boundary for the x-axis should be
The minimum window boundary for the y-axis should be
The maximum window boundary for the y-axis should be
The minimum window boundary for the x-axis should be
The maximum window boundary for the x-axis should be
The minimum window boundary for the y-axis should be
The maximum window boundary for the y-axis should be
2 answers:
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Given:
Total number of students = 27
Students who play basketball = 7
Student who play baseball = 18
Students who play neither sports = 7
To find:
The probability the student chosen at randomly from the class plays both basketball and base ball.
Solution:
Let the following events,
A : Student plays basketball
B : Student plays baseball
U : Union set or all students.
Then according to given information,
We know that,
Now,
It means, the number of students who play both sports is 5.
The probability the student chosen at randomly from the class plays both basketball and base ball is
Therefore, the required probability is .