uverworldxdz6861 uverworldxdz6861
  • 13-02-2024
  • Mathematics
contestada

If for some x∈R, the frequrency distribution of the marks obtained by 20 students in a test is :
Marks 2 3 5 7
Frequency (x+1)² 2x−5 x²−3x x
then the mean of the marks is :
A 2.5
B 3.2
C 3.0
D 2.8

Respuesta :

Otras preguntas

what is 42+36 rounding each number to near hundred?
Describe what you would expect to see and do at a guateque campesino?
What British philosopher was associated with the Natural Rights?
Self confidence is the most important quality of
what will the factor tree look like with 25
Which of the following is NOT a field you can specify in the Clip Art task pane? a. What the Clip Art should contain. b. The media file type. c. Where Word s
what is 345/100 in simplest form or can i it be simplified
what makes hydrogen peroxide a polar molecule?
which is not true of alfred the great? he was the king of wessex. he began the anglo-saxon chronicle. he was a peacemaker. he successfully kept the danes out of
. A basic difference between a prokaryotic cell and a eukaryotic cell is that the prokaryotic cell a is structurally more complex. b is considerably larger