The Data Cycle
Which Question would be most appropriate to collect data and create a histogram?
A.) List the sports you play
B.) Do you play sports with your school or AAU team?
C.) How many hours per week do you spend playing sports?
D.) What sport is your favorite ?
C.) How many hours per week do you spend playing sports?
On a number line, what is the distance between -5 and 7?
A.) |-12|
B.) |7|
C.) |5|
D.) |-2|
A.) |-12|
Heather flipped a coin 5 times, each time it landed on Heads. What is the THEORETICAL probability that her next roll will land on tails?
1/2
A test has 40 questions. If Marcel got 75% correct, how many questions did Marcel get wrong?
10
A box in the shape of a rectangular prism is to be covered in gold. The dimensions of the box are
18cm x 30cm x 6cm
How much gold will be needed to cover the box?
1,656cm2
Draw a Histogram to represent the following data set:
Score: Frequency:
0-9 7
10-19 10
20-29 7
30-39 1
40-49 2
.
Which of the following sets of numbers is in order from LEAST to GREATEST
A.) 2.5%, 2/5, 0.25
B.) 2.5%, 0.25, 2/5
C.) 2/5, 0.25, 2.5%
D.) 2/5, 2.5%, 0.25
B.) 2.5%, 0.25, 2/5
A spinner was spun 20 times, the results are as follows:
Red - 8
White - 5
Blue - 4
Yellow - 3
Which color on the spinner has the same theoretical probability as experimental probability ?
White (5/20 = 1/4)
The exchange rate of Mexican Pesos for US dollars is approximately 10 pesos for 1 USD. If Lynn exchanged 4000 pesos for USD, how much money should he receive?
$400
A cylinder shaped water tank has a radius of 2.8ft and height of 5.6ft. How many cubic ft of water can the tank hold?
137.93ft3
Place the following data set on a stem-and-leaf plot:
13 13 14 14 14 14 15 15 16 16 16 16 17 17 17 18 19 19 20 20 20 21 22 23 23 24 25 28 29 31 38
1 | 3 3 4 4 4 4 5 5 6 6 6 6 7 7 7 8 9 9
2 | 0 0 0 1 2 3 3 4 5 8 9
3 | 1 8
Which of the following numbers are less than 3/7 ?
12.5%
0.3
50%
2/3
0.102
1/5
12.5%, 0.3, 0.102, 1/5
A random number is selected from this list:
1, 3, 3, 6, 6, 6, 8, 8, 8, 8, 10, 10, 10, 10, 10
What are the individual theoretical probabilities of selecting a 1 and 8?
1 = 1/15 (Unlikely)
8 = 4/15 (Unlikely)
276 is 400% of X
X = 69
Find the surface area of a cylinder with a height of 120mm and a diameter of 60mm
28,274.33mm2
Construct a histogram using the following data set:
17, 11, 20, 31, 22, 23, 22, 35, 37, 18, 22, 15, 29, 39, 21, 11, 24, 35
.
4.8 x 107
2.6 x 10-9
3.2 x 103
2.6 x 108
4.1 x 10-3
2.6 x 10-9
4.1 x 10-3
3.2 x 103
4.8 x 107
2.6 x 108
A die is rolled 121 times with the following results:
Number Frequency
1 20
2 19
3 19
4 20
5 21
6 22
What is the experimental probability of rolling a 4 or higher?
63/121 (52% - Likely)
408 out of X is 68%
X = 600
Consider the following rectangular prism with a length, height and width of 8cm, 3cm, and 2cm respectively.
Find the surface area
92cm2
Place the following data set into a stem & leaf plot:
50, 33, 42, 55, 58, 44, 39, 30, 59, 36, 47, 34, 54, 30, 44, 52, 40, 42
3 | 0 0 3 4 6 9
4 | 0 2 2 4 4 7
5 | 0 2 4 5 8 9
Judy owes $98.96 in total to 4 friends.
Assuming she owes the same amount to each friend, how much does she owe them?
Judy pays just $$ of her friends back. How much money will come out of her account?
$24.74 per friend
$74.22 will come out of her account
High school students attending an international conference were asked to register what language other than English they speak. The results are shown below:
20 registered ‘French’
13 registered ‘Arabic’
21 registered ‘Spanish’
19 registered ‘Mandarin’
37 registered ‘Other’
What is the probability that a student chosen at random speaks Spanish?
21/110 (Unlikely)
A local charity aims to raise $50,000 for their annual campaign. By the halfway point of the campaign, they have reached 78% of their goal.
Calculate the remaining profits they must raise to reach $50,000?
$11,000
Danielle and Bill are building a box in the shape of a rectangular prism.
The box has dimensions of 9cm x 5cm x 3cm
Danielle claims that the surface area is 207cm2 while bill says it is 174cm2 ... Who is correct?
Bill - 174cm2