We have
First we will factorize the function
The domain is
In this case, we have two vertical asymptotes
x-2=0
x=2
x-3=0
x=3
ANSWER
The domain is
The vertical asymtotes
x-2=0
x=2
x-3=0
x=3
ILL BRAINLIEST IF YOU GET IT RIGHT PLEASE HELP ME FIND THE VALUE OF X
1 answer:
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Answer:
(a) The cumulative frequency curve for the data is attached below.
(b) (i) The inter-quartile range is 10.08.
(b) (ii) The 70th percentile class scores is 0.
(b) (iii) the probability that a student scored at most 50 on the examination is 0.89.
Step-by-step explanation:
(a)
To make a cumulative frequency curve for the data first convert the class interval into continuous.
The cumulative frequencies are computed by summing the previous frequencies.
The cumulative frequency curve for the data is attached below.
(b)
(i)
The inter-quartile range is the difference between the third and the first quartile.
Compute the values of Q₁ and Q₃ as follows:
Q₁ is at the position:
The class interval is: 34.5 - 39.5.
The formula of first quartile is:
Here,
l = lower limit of the class consisting value 25 = 34.5
(CF) = cumulative frequency of the previous class = 24
f = frequency of the class interval = 20
h = width = 39.5 - 34.5 = 5
Then the value of first quartile is:
The value of first quartile is 34.75.
Q₃ is at the position:
The class interval is: 44.5 - 49.5.
The formula of third quartile is:
Here,
l = lower limit of the class consisting value 75 = 44.5
(CF) = cumulative frequency of the previous class = 74
f = frequency of the class interval = 15
h = width = 49.5 - 44.5 = 5
Then the value of third quartile is:
The value of third quartile is 44.83.
Then the inter-quartile range is:
Thus, the inter-quartile range is 10.08.
(ii)
The maximum upper limit of the class intervals is 69.5.
That is the maximum percentile class score is 69.5th percentile.
So, the 70th percentile class scores is 0.
(iii)
Compute the probability that a student scored at most 50 on the examination as follows:
Thus, the probability that a student scored at most 50 on the examination is 0.89.
