AnswersFL-2002040-MJ Comprehensive Science 1 CRLab: Exploring Cells

Lab: Exploring Cells — Unit test Answers

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A jar contains only one blue tile, one green tile, one red tile, and one yellow tile. If a tile is chosen at random and then replaced in the jar, and then a second tile is chosen at random, how many of the possible outcomes contain at least one red tile?

A
1
B
2
C
4
D
7
2
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Use the information in the table to answer the question. Eitan and Asher are playing a game using two six-sided number cubes. To win the game, Eitan has to roll a sum of 11 or more. Which outcome would allow Asher to have a higher probability of winning the game? Select three options.

Question illustration
A
rolling a sum of 4
B
rolling a sum of 9
C
rolling a sum that is less than 5
D
rolling a sum that is greater than 5 but less than 7
E
rolling a sum that is greater than 9 but less than 11
3

Which expression can be simplified to find the slope of the line of best-fit in the scatterplot below?

Question illustration
A
StartFraction 134 minus 35 Over 16 minus 4 EndFraction
Option A
B
StartFraction 134 minus 16 Over 35 minus 4 EndFraction
Option B
C
StartFraction 4 minus 16 Over 35 minus 134 EndFraction
Option C
D
StartFraction 4 minus 16 Over 134 minus 35 EndFraction
Option D
4

A cube is numbered 1 through 6. If the cube is rolled twice, how many of the possible outcomes will have two even numbers?

A
3
B
9
C
18
D
36
5

The points (15, 10), (25, 20), (30, 22), (40, 32), (55, 53), (60, 55) represent the time, x, it takes 6 people to travel y miles. The scatterplot below represents the situation.TravelBased on the information above, how many miles should a person who drives for 48 minutes expect to travel?

Question illustration
A
32 miles
B
42 miles
C
48 miles
D
54 miles
6

Angelique makes beaded jewelry. The graph below shows the number of beads used for varying cord lengths.JewelryAngelique has a cord that is 32 inches long. Based on the information above, which is the best estimate for the number of beads she can use?

Question illustration
A
12
B
68
C
82
D
132
7

The scatterplot shows the number of roommates and the monthly cost of rent for a group of college students.Which statement about the scatterplot is true?

Question illustration
A
Including the point (2, 100) could cause the description of the data set to be overstated.
B
Including the point (2, 100) could cause the description of the data set to be understated.
C
The point (2, 100) shows that there is no relationship between the number of roommates and monthly rent.
D
Although (2, 100) is an extreme value, it should be part of the description of the relationship between the number of roommates and monthly rent.
8

Mark noticed that his bus is late to school 5% of the time. He wants to design a spinner he can use to simulate the situation and determine the probability that the bus will be late three times next week.How should Mark divide his spinner to best simulate the situation?

A
2 equal-sized sections
B
5 equal-sized sections
C
15 equal-sized sections
D
20 equal-sized sections
9

Maggie’s bank has assigned her a temporary 3-digit PIN to use with her ATM card. Each digit is a number from 1 to 5, inclusive, and no digit can be used more than once in the PIN. Which multiplication problem can be used to determine the probability that the PIN she was assigned was 123?

A
(One-fifth) (one-fifth) (one-fifth)
Option A
B
(One-fifth) (one-fourth) (one-third)
Option B
C
(Four-fifths) (three-fourths) (two-thirds)
Option C
D
(Four-fifths) (four-fifths) (four-fifths)
Option D
10

Which scatterplots have a nonlinear association? Select three options.

A
On a graph, points form a curved line.
Option A
B
On a graph, points form a curved line.
Option B
C
On a graph, points are grouped together to form a vertical cluster.
Option C
D
On a graph, points form a curved line.
Option D
E
On a graph, points are scattered all over the graph.
Option E
11

Amani is calculating the slope of the trend line in the scatterplot below. How can Amani use the trend line to check the reasonableness of her answer?

Question illustration
A
She should expect the slope to be negative because the line tilts down moving from left to right on the graph.
B
She should expect the slope to be negative because more points are below the line than above the line.
C
She should expect the slope to be positive because the line has a positive y-intercept.
D
She should expect the slope to be positive because all the plotted points have positive coordinates.
12

Which expression can be simplified to find the slope of the trend line in the scatterplot?

Question illustration
A
StartFraction 2 minus 8 Over 78 minus 87 EndFraction
Option A
B
StartFraction 78 minus 87 Over 8 minus 2 EndFraction
Option B
C
StartFraction 78 minus 8 Over 87 minus 2 EndFraction
Option C
D
StartFraction 8 minus 2 Over 78 minus 87 EndFraction
Option D
13

Over the past year, Becky has enjoyed 7 of the 9 movies recommended by her local newspaper. She wants to design a spinner she can use to simulate this situation and predict the probability that she will enjoy each of the next 5 movies the paper recommends.How should Becky divide her spinner to best simulate this situation?

A
2 equal-sized sections
B
5 equal-sized sections
C
7 equal-sized sections
D
9 equal-sized sections
14

Which characteristics describe the scatterplot? Check all that apply.

Question illustration
A
negative correlation
B
positive correlation
C
strong association
D
weak association
E
linear
F
nonlinear
15

What type of association is shown by the scatterplot?

Question illustration
A
linear, strong
B
linear, weak
C
nonlinear, strong
D
nonlinear, weak

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