WGU C955 - Module 7: Probability questions with
verified answers
A game has a 10 -sided die. What is the probability of rolling an odd number or a
number greater than 8 ?
a 1/5
b 2/5
c 3/5
d 4/5 Ans✓✓✓-3/5
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 Ans✓✓✓-7/10
A man will have enough money to pay the rent if he gets 100 hours of work at job
A or if his wife earns enough money to pay the rent for both of them. If we want
to find the probability that this couple will be able to pay the rent, what is the
relevant piece of information to know when deciding whether to use the formula
P(A or B) =P(A)+P(B) or P(A or B) =P(A)+P(B)−P(A and B) ?
a) Whether there is any possibility of his wife earning enough money and his
getting 100 hours of work at job A.
,b) Whether his getting 100 hours of work at job A is independent of his wife's
ability to pay for the rent.
c) Whether there is more probability of his getting 100 hours of work at job A or
his wife's being able to earn the money to pay the rent.
d) Whether his getting 100 hours of work at job A is the complement of his wife's
being able to earn the money to pay the rent. Ans✓✓✓-Whether there is any
possibility of his wife earning enough money and his getting 100 hours of work at
job A.
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 non-meat
topping. If two people are chosen to state their favorite pizza topping, what is the
probability that they would both choose a meat topping?
a 0%
b 10%
c 16%
d 40% Ans✓✓✓-16%
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% Ans✓✓✓-11%
, According to Urban Institute, in 2014, a family-of-three with an income of $0
through $30,000 is considered poor or near-poor; $30,000 through $50,000 is
considered lower middle class; $50,000 to $100,000 is considered middle class;
$100,000 to $350,000 is considered upper middle class and $350,000 and above is
considered rich. If Event A is being lower middle class, which of the following is a
true statement?
a) "not A" is a family-of-three with an income of $350,000 or above
b) The complement of A is a family-of-three with an income of $350,000 or above
c) A is independent of the other categories of income
d) The universe of incomes for a family-of-three is poor and near-poor, lower
middle class, middle class, upper middle class, and rich Ans✓✓✓-The universe of
incomes for a family-of-three is poor and near-poor, lower middle class, middle
class, upper middle class, and rich
Angelique wants to go on a vacation, but she's anxious about whether or not
she's going to get a year-end bonus at work. She knows that she is less likely to
get a bonus if she doesn't meet her sales target. She has a 5.88% chance of
missing her sales target, and 60% of associates who miss their targets do not
receive a bonus. What is Angelique's probability of missing her sales target, and
subsequently not receiving a bonus?
a) 1.32%
b) 1.98%
c) 2.35%
d) 3.5% Ans✓✓✓-3.5%
verified answers
A game has a 10 -sided die. What is the probability of rolling an odd number or a
number greater than 8 ?
a 1/5
b 2/5
c 3/5
d 4/5 Ans✓✓✓-3/5
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 Ans✓✓✓-7/10
A man will have enough money to pay the rent if he gets 100 hours of work at job
A or if his wife earns enough money to pay the rent for both of them. If we want
to find the probability that this couple will be able to pay the rent, what is the
relevant piece of information to know when deciding whether to use the formula
P(A or B) =P(A)+P(B) or P(A or B) =P(A)+P(B)−P(A and B) ?
a) Whether there is any possibility of his wife earning enough money and his
getting 100 hours of work at job A.
,b) Whether his getting 100 hours of work at job A is independent of his wife's
ability to pay for the rent.
c) Whether there is more probability of his getting 100 hours of work at job A or
his wife's being able to earn the money to pay the rent.
d) Whether his getting 100 hours of work at job A is the complement of his wife's
being able to earn the money to pay the rent. Ans✓✓✓-Whether there is any
possibility of his wife earning enough money and his getting 100 hours of work at
job A.
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 non-meat
topping. If two people are chosen to state their favorite pizza topping, what is the
probability that they would both choose a meat topping?
a 0%
b 10%
c 16%
d 40% Ans✓✓✓-16%
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% Ans✓✓✓-11%
, According to Urban Institute, in 2014, a family-of-three with an income of $0
through $30,000 is considered poor or near-poor; $30,000 through $50,000 is
considered lower middle class; $50,000 to $100,000 is considered middle class;
$100,000 to $350,000 is considered upper middle class and $350,000 and above is
considered rich. If Event A is being lower middle class, which of the following is a
true statement?
a) "not A" is a family-of-three with an income of $350,000 or above
b) The complement of A is a family-of-three with an income of $350,000 or above
c) A is independent of the other categories of income
d) The universe of incomes for a family-of-three is poor and near-poor, lower
middle class, middle class, upper middle class, and rich Ans✓✓✓-The universe of
incomes for a family-of-three is poor and near-poor, lower middle class, middle
class, upper middle class, and rich
Angelique wants to go on a vacation, but she's anxious about whether or not
she's going to get a year-end bonus at work. She knows that she is less likely to
get a bonus if she doesn't meet her sales target. She has a 5.88% chance of
missing her sales target, and 60% of associates who miss their targets do not
receive a bonus. What is Angelique's probability of missing her sales target, and
subsequently not receiving a bonus?
a) 1.32%
b) 1.98%
c) 2.35%
d) 3.5% Ans✓✓✓-3.5%
