True or False? In a circle, radius OP intersects chord AC in point B so that AB = 8 units and BC = 8 units. This means that OP i
2 answers:
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Answer: 47.72 %
Step-by-step explanation:
Given : The scores of students on a statistics course are normally distributed with a mean of and a standard deviation of
.
Let x be the random variable that represents the scores of students on a statistics course .
z-score :
For x= 476
For x= 646
Now, the probability of the students scored between 476 and 646 on the exam will be :-
Hence, the percentage of the students scored between 476 and 646 on the exam = 47.72 %
The equation of a circle with center (h,k) and radius r is
convert it to that form by comleting the square for the x and y terms
or, we can just expand what we know
expand
and make it equal to 0
so expanding we get
minus m^2 from both sides
arranging in decreasing power order with m² at the end
that is option A
answer is A
convert it to that form by comleting the square for the x and y terms
or, we can just expand what we know
expand
so expanding we get
minus m^2 from both sides
arranging in decreasing power order with m² at the end
that is option A
answer is A