That is Cricket
H for Hockey V for Volley
The number of students who play:
Cricket 50
Hockey 50
Volley 40
Cricket and Hockey 5
Hockey and Volley 10
Cricket and Volley 5
The number of students will therefore be
This gives the total number of students to be 100
Total playing cricket is 50, all three games are played by 10 students.
Cricket and hockey 5 students and finally cricket and volley 5 students.
Hence cricket only will be.
This number can be obtained directly from the Venn diagram by checking the intersection of H and V.
Astro prima be P
Astro Ria be R
Astro Mustika be M
P and M
Total 170 respondents
Total who like Astro Musika
Then
And
M only will therefore be
Total will be
Question 2
The median from the frequency distribution table will be obtained using the formulaThe parameters used areL the = lower boundaryTotal frequency cumulative frequency above the box frequency in the box class interval sizemedian is the middle hence The 25 will be a rough idea (box location) of the median.Hence from the cumulative frequency column we pick a number that is the first one to be greater than 25. In our case it will be 33.From here we draw a box in the row containing this number. This box assist obtains the median.Replacing this values in the above formula will give the median as Obtaining the Standard DeviationFrom the frequency distribution we obtain the standard deviation using the formulaThe values needed in the formula can be obtained directly from the frequency table above.Hence inserting the values in the formula, we have the Standard deviation asThe value will be
The table will be
Mean is calculated using the formula Simplifying this equation gives
Question 3
ways on which the components can be arranged will have
as the definitive answer.
This gives 0.035
Since there are nine ways of arranging the products depending on which machine produced them then the answer is raised to power 3 to give
Question 4
143.25
The equation
When integrated with respect to x gives
On the other hand, when integrated with respect to x gives 1. With thus the area under the two curves when obtained using integration with respect to x will be 1Integrating with respect to y
Question 5
The is to verify that To begin we computer This means Thereafter we computer This equals (AB) which is Since the final solution of (AB)C then we have successfully proven that
Sheets of crats papers be S
Boxes of markers be B
Glue sticks be G
The Matrix computed is
From here we write down the main matrix. This is We then find the determinant of this matrix. Which will be Then the 1st column of the main matrix is replaced by the solution vector and the determinant of the resultant matrix obtained The determinant will be given by e next step will be to replace the 2nd column of the main matrix with the solution vector and obtain the determinant The resultant matrix will be The determinant will be Thereafter we replace the 3rd column of the matrix with the solution vector and determine the resultant determinant.
The matrix is The determinant will be Now the value of the items will be obtained by From the solution obtained the unit costs will be as follows
For Craft paper Box of Markers Glue sticks
Class interval |
Class boundary |
Mid points (x) |
Frequency (f) |
Cumulative Frequency |
fx |
x^2 |
fx^2 |
55-59 |
54.5-59.5 |
57 |
0 |
0 |
0 |
3249 |
0 |
60-64 |
59.5-64.5 |
62 |
7 |
7 |
434 |
3844 |
26908 |
65-69 |
64.5-69.5 |
67 |
11 |
18 |
737 |
4489 |
49379 |
70-74 |
69.5-74.5 |
72 |
15 |
33 |
1080 |
5184 |
77760 |
75-79 |
74.5-79.5 |
77 |
10 |
43 |
770 |
5929 |
59290 |
80-84 |
79.5-84.5 |
82 |
5 |
48 |
410 |
6724 |
33620 |
85-89 |
84.5-89.5 |
87 |
2 |
50 |
174 |
7569 |
15138 |
Sum |
50 |
3605 |
262095 |
||||
x |
y |
||||||
1 |
22-23.6 |
0 |
|||||
2 |
24-25.6 |
2.8 |
|||||
3 |
26-27.6 |
7.2 |
|||||
4 |
28-29-6 |
13.2 |
|||||
5 |
30-31.6 |
17.2 |
|||||
6 |
32-33.6 |
19.2 |
|||||
7 |
34-35.6 |
20 |
References
Freedman, D. (2005). Statistical Models: Theory and Practice. Cambridge University Press.
Gut, A. (2005). Probability: A Graduate Course. Springer-Verlag.
Katz, V. J. (2008). A history of mathematics . Boston: Addison-Wesley.
Merriam-Webster. (2017). Integral Calculus – Definition of Integral calculus.
Ruskey, F., Savage, C. D., & Wagon, S. (2006). The Search for Simple Symmetric Venn Diagrams. Notices of the AMS, 1304–11.
Sandifer, E. (2003). How Euler Did It. The Mathematical Association of America.
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