WGU C955 – MODULE 7: PROBABILITY
2026 |QUESTIONS AND ANSWERS
What is the probability of someone having a birthday in March or December?
A 1/6
B¼
C 1/3
D ½ - Answer ☑️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 – Answer ☑️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 – Answer ☑️0.60
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 – Answer ☑️0.01
The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
Concert 18%
, Table Tennis 9%
Other 28%
What is the disjoint probability of having a basketball or hockey game at the arena?
A 27%
B 37%
C 45%
D 55 – Answer ☑️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 – Answer ☑️7/10
A survey on favorite pizza topping was given: 33% said cheese was their favorite topping,
25% said pepperoni, 15% said sausage, and 27% said other. If two people are picked at
random and replaced, what is the probability of picking two people that like cheese? Round
your answer to a whole number.
A 0%
B 11%
C 33%
D 66% - Answer ☑️11%
2026 |QUESTIONS AND ANSWERS
What is the probability of someone having a birthday in March or December?
A 1/6
B¼
C 1/3
D ½ - Answer ☑️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 – Answer ☑️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 – Answer ☑️0.60
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 – Answer ☑️0.01
The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
Concert 18%
, Table Tennis 9%
Other 28%
What is the disjoint probability of having a basketball or hockey game at the arena?
A 27%
B 37%
C 45%
D 55 – Answer ☑️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 – Answer ☑️7/10
A survey on favorite pizza topping was given: 33% said cheese was their favorite topping,
25% said pepperoni, 15% said sausage, and 27% said other. If two people are picked at
random and replaced, what is the probability of picking two people that like cheese? Round
your answer to a whole number.
A 0%
B 11%
C 33%
D 66% - Answer ☑️11%
