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wariber [46]
3 years ago
12

Please help meeee answer it correctly!!!!!! NUMBER 10

Mathematics
1 answer:
Aleksandr [31]3 years ago
8 0

Answer:

A) Median: 12 First Quartile: 9 Third Quartile: 18.5

B) 12

C) 25%

Step-by-step explanation:

Hope you get it right, Im learning this this week, You can add a brainly if u want ;3

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2. State the domain for the following ordered pairs: { (4, -2), (6, -7), (4, 3), (-8, 1), (-3, 5) } *
Fofino [41]

Answer:

(4,6,4,-8,-3)

Step-by-step explanation:

Domain means of function is the set of all possible inputs for function

4 0
3 years ago
A survey among freshman at a certain university revealed that the number of hours spent studying before final exams was normally
patriot [66]

Answer: 0.0775

Step-by-step explanation:

Given : Mean : \mu = 25

Standard deviation : \sigma =15

Sample size : n=36

Since its normal distribution , then the formula to calculate the z-score is given by :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x= 28.2 hours

z=\dfrac{28.2-25}{\dfrac{15}{\sqrt{36}}}=1.28

For x= 30 hours

z=\dfrac{30-25}{\dfrac{15}{\sqrt{36}}}=2

The P- value = P(1.28

=P(z

Hence, the probabiliy that the average time spent stydying for the sampe was between 28.2 and 30 hours = 0.0775

6 0
3 years ago
For 23-25, use the table.
alexandr402 [8]
Jon and Gina are different we’re opposite
7 0
3 years ago
Read 2 more answers
Evaluate -Z + 7.49 for Z = -7.1
luda_lava [24]
14.59

To solve, simply plug -7.1 into -Z. Since Z is negative in the equation, it will turn the Z that’s given to us into a negative. Since that Z is already negative, it will now become a positive since that’s what two negatives being multiplied make. This is what your problem will look like:

-(-7.1) + 7.49
7.1 + 7.49 = 14.59
3 0
3 years ago
What is 7000 out of 1/10 is
Ann [662]

Answer:

70,000.

Step-by-step explanation:

7000 is (1/10) of 70,000 - as 7000*10=70,000.

Hope is help ba bye!

-  miah

8 0
3 years ago
Read 2 more answers
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