Answer:
Step-by-step explanation:
If the mean of 15 students is 71.5, then total score = 15 X 71.5 = 1072.5
The median score is 62, meaning that, the combined score of two students = 62 X 2 = 124
The difference of 1072.5 and 124 = 948.5, this represents the total score of 13 other students
∴ The mean score of 13 students = 948.5/13 = 73
In conclusion, it was only very few students that took the exam and majority of other students absconded from the exam. Majority of students scored averagely above 70.
Answer:
5/10 and 3/10
Step-by-step explanation:
because i believe that if u have 5 pencils and 5 pens all together thats 10 so it would be a 5/10 chance same with the second one hopefully this is right and i dont know if its simplified
Answer:slope=1.2
Step-by-step explanation:
Slope=y-y/x-x
=1-(-5)/7-2
= 6/5
=1.2
Answer:
62 degrees
Step-by-step explanation:
degrees in a triangle: 180
this triangle is isosceles, so remaining 2 angles must be congruent
2x+56=180
2x=124
x=62