OBJECTIVE ASSESSMENT 2 2026 COMPLETE
ANSWERS PROBABILITY DISTRIBUTIONS
PRACTICE RESOURCE
◉ Which graph is the solution for 4y - 6 > 18?
A) {{ y > 4 }}
B) {{ y > 6 }}
C) {{ y < 4 }}
D) {{ y < 6 }}.
Answer: {{ y > 6 }}
◉ What is the correct line graph for y = 3x + 5?
A) (0,5) to (2,11)
B) (0,-5) to (2,-11)
C) (0,3) to (2,5)
D) (0,3) to (2,-7).
Answer: (0,5) to (2,11)
◉ What is the correct line graph for y = -2x + 9?
A) (0,9) to (4.5,0)
,B) (0,9) to (3,0)
C) (0,-9) to (5,-19)
D) (0,-9) to (5,-24).
Answer: (0,9) to (4.5,0)
◉ A normally distributed data set has a mean of 25 and a standard
deviation of 2.
Which percentage of the data falls between 23 and 25?
A) 34.0
B) 68.0
C) 95.0
D) 99.7.
Answer: 34.0
◉ A given data set is normally distributed with a mean of 200 and a
standard deviation of 5.
Which two values does 95% of the data fall between?
A) 180-220
,B) 185-225
C) 190-210
D) 195-235.
Answer: 190-210
◉ In a statistics class, 40 students are asked to write their age on a
piece of paper and place the paper in a box. After rotating and
shaking the box, 5 pieces of paper are drawn from the box at
random. The data results are as follows:
36
22
21
20
19
What is the median for this data set?
A) 17
B) 21
C) 24
D) 28.
, Answer: 21
◉ A new video gaming site wants to know what the median age is of
its adolescent population so they can focus on activities for these
clients. A data analyst recorded the ages of 12 adolescents who used
the site over a three-month period. The results are given below:
Age ,Frequency
13 ,1
16 ,2
17 ,2
18 ,3
19 ,4
What is the median age of the adolescents?
A) 17.0
B) 17.2
C) 18.0
D) 18.6.
Answer: 18.0
◉ The graph shows a company's profits, in thousands of dollars, for
five different regions: