Answer:
50% of all students scored more than 48 marks.
Step-by-step explanation:
1) The baseline of the box, in a box plot is the first quartile, the line in the middle is the median or Q2 and the last line (or top line) is the third quartile. Namely,
2) The Question says "nobody took 30, 48 or 70 as their grades. But 120 students gained less than 70", i.e. 120 are within the 75% of the sample.
3) If 
then 50% of the students scored more than 48. And 50% of the students scored less than 48. That is also known as the Median.
So 50%, the half of all students scored more than 48 marks.
Answer: 5
Step-by-step explanation:
The mode is the number that appears the most often in the set of data. As we can see, 5 is the most common number.
<span>George will have enough money in 3 years. This is because at 5 percent interest per year, in one year he will have $23,100. In two years, he will have $24,155. In 3 years he will have $25,362.75 which will put him slightly over his goal of a 20% down payment.</span>
m∠1 + m∠2 = 90°
(2x + 7)° + (6x - 9)° = 90°
2x + 6x + 7 - 9 = 90
8x - 2 = 90
+ 2 + 2
8x = 92
8 8
x = 11.5°
Answer: The chance that the second person has the same birthday is 1/365.
Step-by-step explanation: Hope this helps
