Write in your own words to avoid
Plagiarism!!
STA1510
ASSIGNMENT 01
YEAR: 2026
, Question 1
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Question text
A bag contains 3 red and 2 blue marbles. You are asked to select two marbles from the bag. A marble
is selected from the bag, and then set aside without replacement. A second marble is then selected
from the bag.
What is the probability that the two marbles selected will be of different colours?
a.
0.60
b.
0.40
c.
0.24
d.
0.30
e.
0.09
Question 2
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Question text
The time taken to complete a motorcycle race is normally distributed, with an average time (µ) of 2.5
hours and a standard deviation (null) of 0.5 hours.
What is the probability that a randomly selected cyclist will take between 2.35 and 2.75 hours to
complete the race?
a.
0.0736
b.
0.3085
Plagiarism!!
STA1510
ASSIGNMENT 01
YEAR: 2026
, Question 1
Not yet answered
Marked out of 1.00
Flag question
Question text
A bag contains 3 red and 2 blue marbles. You are asked to select two marbles from the bag. A marble
is selected from the bag, and then set aside without replacement. A second marble is then selected
from the bag.
What is the probability that the two marbles selected will be of different colours?
a.
0.60
b.
0.40
c.
0.24
d.
0.30
e.
0.09
Question 2
Not yet answered
Marked out of 1.00
Flag question
Question text
The time taken to complete a motorcycle race is normally distributed, with an average time (µ) of 2.5
hours and a standard deviation (null) of 0.5 hours.
What is the probability that a randomly selected cyclist will take between 2.35 and 2.75 hours to
complete the race?
a.
0.0736
b.
0.3085
