Answer:
14π
Step-by-step explanation:
C = 2πr
D=2r
D=14
14=2r
r=7
C=2π(7)
C=14π or 43.98
Answer: represents the transport cost per student in the expression.
Step-by-step explanation:
Given: For trip,
Admission fee per student = $10
Transport cost (for all students0 = $200
Here, S represents the number of students went on the field trip.
Transport cost per student = (Total cost) ÷ Total student
So, represents the transport cost per student.
Hence, represents the transport cost per student in the expression.
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Answer:
probability of a Type I error=0.002
Step-by-step explanation:
Null hypothesis : The individual is telling the truth.
Alternative hypothesis : The individual is not telling the truth.
a)
P(Type I error) = P( rejecting the null hypothesis when it is true) = 0.002
The answer would be D.-13/21