WGU C955 Module 7: Probability | Exam Questions and
Correct Answers | Latest Update 2026/2027 | Graded A+ |
100% Guaranteed Pass.
What is the probability of someone having a birthday in March or December?
a 1/6 b 1/4 c 1/3 d 1/2
correct answers 1/6
The table below shows the breakdown of workers at a business. What is the probability of
selecting a worker who is over 45 years of age to the nearest hundredth?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775 a
0.16 b 0.29 c 0.42 d 0.55
correct answers 0.29
The table below shows the breakdown of workers at a business. What is the probability that a
randomly selected 18−25 year old is male (to the nearest hundredth)?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
,Female 50 225 100 375
Total 125 425 225 775 a
0.48 b 0.52 c 0.56 d 0.60
correct answers 0.60 What
is the disjoint probability
of having a basketball or
hockey game at the arena?
a 27% b 37% c 45% d 55
correct answers 45%
A game has a 10 -sided fair die. What is the probability of rolling an even number or a number
less than 5 ?
a 1/10 b 3/10 c 7/10 d
9/10 correct answers 7/10
The probability that Jimmy attends school on any given day is 0.98 . The probability Jimmy
misses a day of school, given that he missed the day before, is 0.5 . What is the probability that
Jimmy misses school on BOTH Tuesday and Wednesday?
a 0.0004 b 0.01 c 0.02 d
0.04 correct answers 0.01
The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
, Concert 18%
Table Tennis 9%
Other 28%
In a bag, there are 8 red marbles, 10 blue marbles, 9 green marbles, and 5 black marbles. Find the
theoretical probability of drawing a red marble out of the bag.
a 5/32 b 1/4 c 9/32 d
5/16 correct answers 1/4
What is the sample size for choosing an odd number between 1 and 75 , including the numbers 1
and 75 ?
a 37
b 38 c 39 d 40 correct answers 38
There are black, blue, and white marbles in a bag. The probability of choosing a black marble is
0.36 . The probability of choosing a black and then a white marble is 0.27 . To the nearest
hundredth, what is the probability of the second marble being white if the first marble chosen is
black?
a 0.27 b 0.39 c 0.75 d
0.86 correct answers 0.75
Correct Answers | Latest Update 2026/2027 | Graded A+ |
100% Guaranteed Pass.
What is the probability of someone having a birthday in March or December?
a 1/6 b 1/4 c 1/3 d 1/2
correct answers 1/6
The table below shows the breakdown of workers at a business. What is the probability of
selecting a worker who is over 45 years of age to the nearest hundredth?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775 a
0.16 b 0.29 c 0.42 d 0.55
correct answers 0.29
The table below shows the breakdown of workers at a business. What is the probability that a
randomly selected 18−25 year old is male (to the nearest hundredth)?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
,Female 50 225 100 375
Total 125 425 225 775 a
0.48 b 0.52 c 0.56 d 0.60
correct answers 0.60 What
is the disjoint probability
of having a basketball or
hockey game at the arena?
a 27% b 37% c 45% d 55
correct answers 45%
A game has a 10 -sided fair die. What is the probability of rolling an even number or a number
less than 5 ?
a 1/10 b 3/10 c 7/10 d
9/10 correct answers 7/10
The probability that Jimmy attends school on any given day is 0.98 . The probability Jimmy
misses a day of school, given that he missed the day before, is 0.5 . What is the probability that
Jimmy misses school on BOTH Tuesday and Wednesday?
a 0.0004 b 0.01 c 0.02 d
0.04 correct answers 0.01
The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
, Concert 18%
Table Tennis 9%
Other 28%
In a bag, there are 8 red marbles, 10 blue marbles, 9 green marbles, and 5 black marbles. Find the
theoretical probability of drawing a red marble out of the bag.
a 5/32 b 1/4 c 9/32 d
5/16 correct answers 1/4
What is the sample size for choosing an odd number between 1 and 75 , including the numbers 1
and 75 ?
a 37
b 38 c 39 d 40 correct answers 38
There are black, blue, and white marbles in a bag. The probability of choosing a black marble is
0.36 . The probability of choosing a black and then a white marble is 0.27 . To the nearest
hundredth, what is the probability of the second marble being white if the first marble chosen is
black?
a 0.27 b 0.39 c 0.75 d
0.86 correct answers 0.75
