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
1/6
The table below shows the breakdown of workers at a business. What is the probability of selecting a wo
...
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
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
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
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
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
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
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%
11%
There was a marble drawn from a bag in an experiment and placed back in the bag repeatedly. A red marble appeared 45 times, a blue marble 70 times, a green marble 63 times, and a black marble 22 times. What is the empirical probability of the blue marble?
a 0.11
b 0.225
c 0.315
d 0.35
0.35
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
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
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
0.75
There are 10 blue, 10 red, and 10 green labels in a bag. The labels are drawn from the bag and not replaced. What is the probability of drawing a blue first, and not blue second to the nearest percent?
a 22%
b 23%
c 32%
d 33%
23%
The numbers 1−10 are in a bag and two are drawn without replacement. What is the probability of drawing an even number first, and a 1 second?
a 1/2
b 1/9
c 1/18
d 1/20
1/18
Question 14
The table below shows the breakdown of workers at a business. What is the probability of selecting a male worker 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 0.46
b 0.48
c 0.52
d 0.54
0.52
Using the sample space for rolling a die and flipping two coins, what is the probability for an even number and both coins in the same direction?
{{ A probability tree that shows the sample size of rolling a six-sided die numbered one through six and flipping a two-sided coin labeled heads and tails. Each line of the probability tree is numbered one through six representing the six possible outcomes for rolling the die. For the 6 different branches there are twenty-four possible outcomes. There are three even numbers on the die, and for each of these branches there are two ways that the coins will flip in the same direction. }}
a 1/4
b 3/8
c 1/2
d 3/4
1/4
The probability of the Red Sox winning a baseball game is 0.6 . The probability of losing the game is 0.4 . What is the probability that the Red Sox either win or lose the game.
a 0.12
b 0.24
c 0.76
d 1
1
Use the diagram below to answer the following question.
{{ Venn diagram. Intersecting circles labeled A and B. Circle A is blue, Circle B is red. }}
There are high school students that are in sports ( A ) and in band ( B ). What does A and not B represent?
a Sports only
b Band only
c Both sports and band
d Neither sports nor band.
Sports only
The diagram represents the number of people who like the flavors of ice cream ( A ) chocolate, ( B ) strawberry, ( C ) vanilla. What does A and C and not B represent?
{{ Venn diagram. Intersecting circles labeled A, B, and C. Circle A is blue. Circle B is red. Circle C is green. }}
a Like chocolate, vanilla, and strawberry
b Like vanilla and strawberry, not chocolate
c Like chocolate and vanilla, not strawberry
d Like chocolate and strawberry, not vanilla
Like chocolate and vanilla, not strawberry
Four cards are chosen from a deck of 52 cards with replacement. A deck contains 13 cards each of spades, hearts, diamonds, and clubs. What is the probability that each of the four cards is a diamond?
a 1/16
b 1/256
c 1/28,561
d 1/456,976
1/256
There are 30 different boxes of cereal to choose from. 6 boxes are red, 5 boxes are yellow, 9 boxes are blue, and 10 boxes are brown. What is the probability of not selecting a red box?
a 3/10
b 2/3
c 4/5
d 5/6
4/5
The table below shows the breakdown of workers at a business. What is the probability of selecting a worker aged 26−44 years 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
0.55
What is the sample size for choosing an even number between 1 and 51?
a 24
b 25
c 26
d 27
25
Question 3
There are 30 different boxes of cereal to choose from. 6 boxes are red, 5 boxes are yellow, 9 boxes are blue, and 10 boxes are brown. What is the probability of not selecting a yellow box?
a 3/10
b 2/3
c 4/5
d 5/6
5/6
The diagram represents the number of people who like the flavors of ice cream ( A ) chocolate, ( B ) strawberry, ( C ) vanilla. What does A and B and not C represent?
{{ Venn diagram. Intersecting circles labeled A, B, and C. Circle A is blue. Circle B is red. Circle C is green. }}
a Like chocolate, vanilla, and strawberry
b Like vanilla and strawberry, not chocolate
c Like chocolate and vanilla, not strawberry
d Like chocolate and strawberry, not vanilla
Like chocolate and strawberry, not vanilla
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%
16%
There are 10 blue, 10 red, and 10 green labels in a bag. The labels are drawn from the bag and not replaced. What is the probability of drawing a blue first, and blue second to the nearest percent? Round your answer to the nearest whole number.
a 10%
b 12%
c 31%
d 33%
10%
Four cards are chosen from a deck of 52 cards with replacement. In the deck, half the cards are red. What is the probability that each of the four cards is red?
a 1/16
b 1/256
c 1/28,561
d 1/456,976
1/16
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
3/5
The table below shows the breakdown of workers at a business. What is the probability that a randomly selected 26−44 year old is female?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775
a 0.45
b 0.47
c 0.51
d 0.53
0.53
Jackie is sick. The probability that she visits the doctor's office is 0.3 . The probability that she goes to the doctor's office and gets a new infection while waiting is 0.05 . So, if she goes to the doctor's office, what is the probability that she gets an additional infection there?
a 0.015
b 0.025
c 0.167
d 6
0.167
There are white and blue marbles in a bag. The probability of choosing a white marble is 0.33 . The probability of drawing a white marble first and then a blue marble second is 0.19 . What is the probability to the nearest hundredth that the second marble is blue if the first marble is white?
a 0.33
b 0.39
c 0.54
d 0.58
0.58
The numbers 1−10 are in a bag and two are drawn without replacement. What is the probability of drawing an odd number first, and an odd number second?
a 2/9
b 4/9
c 1/2
d 3/4
2/9
There was a marble drawn from a bag in an experiment and placed back in the bag repeatedly. A red marble appeared 45 times, a blue marble 70 times, a green marble 63 times, and a black marble 22 times. What is the empirical probability of the green marble?
a 0.11
b 0.225
c 0.315
d 0.35
0.315
The table below shows the breakdown of workers at a business. What is the probability of selecting a female worker 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 0.46
b 0.48
c 0.52
d 0.54
0.48
The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
Concert 18%
Tradeshow 9%
Other 28%
What is the disjoint probability of having a tradeshow or concert at the arena?
a 27%
b 37%
c 45%
d 55%
27%
The probability of losing a soccer match is 0.3 and tying is 0.2 . What is the probability of losing or tying the match?
a 0.14
b 0.24
c 0.44
d 0.5
0.5
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 black marble out of the bag.
a 5/32
b 1/4
c 9/32
d 5/16
5/32
Using the sample space for rolling a die and flipping two coins, what is the probability that the coins land on different faces?
{{ A probability tree that shows the sample size of rolling a six-sided die numbered one through six and flipping a two-sided coin labeled heads and tails. Each line of the probability tree is numbered one through six representing the six possible outcomes for rolling the die. For the 6 different branches there are twenty-four possible outcomes. There are three even numbers on the die, and for each of these branches there are two ways that the coins will flip in different directions. }}
a 1/4
b 3/8
c 1/2
d 3/4
1/2
Use the diagram below to answer the following question.
{{ Venn diagram. Intersecting circles labeled A and B. Circle A is blue. Circle B is red. }}
There are high school students that are in sports (A) and in band (B). What does A and B represent?
a Sports only
b Band only
c Both sports and band
d Neither sports nor band.
e Either sports or band
Both sports and band
What is the probability of someone having a birthday in May, June, or July?
a 1/6
b 1/4
c 1/3
d 1/2
1/4
If the probability of event E is 4/9, the probability of the complement of E is 5/9.
a) True
b) False
True
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%
3.5%
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