Basic math questions

1. Social media is important communication tool during coronavirus pandemic. identify 15 students as your sample. From each of the identified student, get information about gander, how money hours spend in social media during a day and the favorite social media application used for communication. You should use online survey tools (for example survey monkey or google forms).
   1. Give the link of online survey and summarize the data in a table. (7 marks)
   2. Draw pie chart shows the favorite social media application used for communication and give your comment. (10 marks)
   3. Calculate median, mode and range of the hours that the students spend in social media during a day. (7 marks)
   4. If a student selected at random, find the probability that selected student is male and spend at most 4 hours per day in social media or female and spend at least 2 hours per day in social media. (6 marks)
2. The following Bar Chart shows the sales of Mango fruit in kg during 4 days. Find the standard deviation of sales in kg? (16 marks)

3. If ( ) = 3 −2 (3 −1)+7

Find:
a. Domain of ( )

b. ( −1 + )( )

and ( ) = 14 . hint (R is 7th digit in your ID) 3−7

4. Engineering company has a project and the project capital is 60000 RO. The interest compounded yearly from the project is 0.35 and the total project profits function in response of time (years)is ( ) = (1 + )

C: capital of the project
r: interest compounded yearly
t: time in year
After how many years the total project profits will be more than 1 million OR.

(6 marks)

5. Fill the blanks: (show all solution steps)
a. Show if the point (3, D) is a solution for the system of inequalities {2 + 4 ≤ − 5 .

hint: D is the last digit in your ID
b. For the quadratic function ( ) = ( − )(4 − 2) :

Hint: T is 6th digit in your ID

≥ −

1. Write the function in form ( ) = 2 + + ………….
2. Vertex of the parabola of ( ) is ……………
3. x-intercept of the parabola of ( ) are ……………
4. y-intercept of the parabola of ( ) is …………… ( ( − )− ( − ))

c. Simplify: + …………………..

check the file below for all the questions and requirements.

the answer to be submitted in a word file, no hand writing.