Answers26-27 CFISD Algebra II B CRGraphing Exponential Functions

Graphing Exponential Functions — Cumulative exam Answers

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The heights of 500 students at a local school were recorded and found to be approximated by the normal curve below. Which answer could represent the mean and standard deviation for these data?

Question illustration
A
69, 6
B
72, 4
C
69, 3
D
60, 3
62
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The conditional relative frequency table below was generated by column using data comparing gender and a person's favorite meal to cook.Which would most likely indicate an association between the categorical variables?

Question illustration
A
The value of A is similar to the value of B.
B
The value of A is similar to the value of E.
C
The value of B is not similar to the value of C.
D
The value of B is not similar to the value of F.
63

Which best describes independent events?

A
The results of all events have different individual probabilities.
B
The results of any previous events affects the probability of future events.
C
The results of all events have the same individual probability.
D
The results of all previous events do not affect the probability of future events.
64

Which measure of central tendency is preferred for this data set? Why?56, 40, 58, 41, 53, 55, 46, 45, 60, 47, 51, 56, 43, 44, 48, 54, 60, 50, 57, 40,46, 47, 49, 59, 44, 50, 42, 53, 95, 41

Answer not available
65

Steve determined the number of states each of his friends has visited.Which statement must be true according to the box plot?

Question illustration
A
The data is skewed left and shows that half of Steve’s friends have visited 4 to 10 states.
B
The data is skewed left and shows that half of Steve’s friends have visited 10 to 40 states.
C
The data is skewed right and shows that half of Steve’s friends have visited 4 to 10 states.
D
The data is skewed right and shows that half of Steve’s friends have visited 10 to 40 states.
66

Giulia is playing a game with 6 cards: 4 kings, 1 queen, and 1 jack. She draws 1 card out of the stack of cards, replaces it, and then draws another card.What is the probability that she will draw a king and then a jack, P(king, then jack)?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
67

A survey asked about the number of people who eat breakfast almost every day (B) and the number of people who buy cereal at least once a month (C). The results of the survey are shown in the Venn diagram.

Question illustration
A
StartFraction 11 Over 64 EndFraction
Option A
B
StartFraction 11 Over 53 EndFraction
Option B
C
StartFraction 53 Over 64 EndFraction
Option C
D
StartFraction 53 Over 57 EndFraction
Option D
68

Hana has a bag containing one red (R), one blue (B), and one yellow (Y) tile. She draws two tiles out of the bag, one after the other. Which explanation and tree diagram represent a pair of dependent of events?

A
Once a tile is chosen, it can be chosen again:
Option A
B
Once a tile is chosen, it cannot be chosen again:
Option B
C
Once a tile is chosen, it cannot be chosen again:
Option C
D
Once a tile is chosen, it can be chosen again:
Option D
69

Garth is packing boxes with books. The list shows how many books are in each of 10 boxes.6, 14, 6, 18, 9, 9, 12, 10, 11, 15 Which statement is true about the number of books packed to a box?

A
The median number of books to a box is 8.
B
The median number of books to a box is 9.
C
The mean number of books to a box is 11.
D
The mean number of books to a box is 12.
70

A set of data is normally distributed with a mean of 40 and a standard deviation of 2. What percent of the data is in the interval 38-42?

Answer not available
71

Laura is playing a card game with her friend. She will draw two cards from those pictured.a. List the sample space for all possible 2-card combinations Laura could make.b. Find the probability that both cards are even.

Question illustration
Answer not available
72

Marisa recorded the number of hours she babysat each day last summer. She plotted the data in the box plot.

Question illustration
A
The data is symmetric and shows that she was equally likely to work more than 3.5 hours or less than 5 hours.
B
The data is symmetric and shows that she never worked more than 5 hours.
C
The data is skewed and shows that she was equally likely to work more than 3.5 hours or less than 5 hours.
D
The data is skewed and shows that she never worked more than 5 hours.
73

The data set represents the number of snails that each person counted on a walk after a rainstorm.12, 13, 22, 16, 6, 10, 13, 14, 12What is the outlier of the data?

A
6
B
11
C
15
D
22
74

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. Which dot plot could represent the same data as the frequency table?

Question illustration
A
A number line going from 25 to 45. There is 1 dot above 26, 28, 29, 33, 39, 44. There are 2 dots above 31, 35, 36, 38. There are 3 dots above 41.
Option A
B
A number line going from 25 to 45. There is 1 dot above 26, 28, 29, 33, 44. There are 2 dots above 30, 35, 38. There are 3 dots above 32, 40.
Option B
C
A number line going from 25 to 45. There is 1 dot above 26, 31, 33, 34, 41, 44. There are 2 dots above 30, 35, 37. There are 3 dots above 32, 40.
Option C
D
A number line going from 25 to 45. There is 1 dot above 26, 27, 33, 40, 44. There are 2 dots above 29, 30, 32, 35, 38, 45. There are 3 dots above 39.
Option D
75

Latricia determines that the probability of spinning an even number and then a 3 on the spinner below is .Which best describes the accuracy of Latricia’s solution?

Question illustration
A
Latricia’s solution is accurate.
B
Latricia’s solution is inaccurate. Her solution describes the probability of spinning an even number or a 3 in the same spin.
C
Latricia’s solution is inaccurate. Her solution uses the correct probability of spinning an even number, but it uses to describe the probability of spinning a 3.
Option C
D
Latricia’s solution is inaccurate. Her solution uses the correct probability of spinning a 3, but it uses to describe the probability of spinning an even number.
Option D

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