統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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what is the interquartile range of the set of data? 18, 22, 20, 23, 27,…
\(6\)
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while spending time with his extended family, doug asked his family mem…
Getting 3 years older was associated with reading 1 less book per year.
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what number does the model represent? 1.3 what number is equivalent to …
1.3; 1.30
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what does a dashed line mean in the graph of an inequality? choose the …
A. A dashed line is used to show that a line is not part of a graph.
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what number does the model represent? 1.03 1.3 13 130
1.3
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what is the word form of the number shown? 3.15 three and fifteen tenth…
three and fifteen hundredths
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the equation for the line of best fit is $y = 38x + 2$. according to th…
The price of a silver bracelet increases by about $38 for every additional ounce of weight.
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what are the characteristics of ratios? what do you know about ratios? …
- **Characteristics of Ratios**: A ratio compares quantities, is unit - less (for same - kind quantities), and can be part - to - part or part - to - whole, with multiple notation…
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read this sentence: we havent yet found anyone to underwrite our docume…
C. Agree to finance
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3 a wireless company offers two plans for making international calls in…
\(\frac{4 + 0.20x}{x}\) ### Part (b)
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the equation for the line of best fit is $y = -22x + 260$. according to…
Naomi likely had about 260 tortillas when the restaurant opened.
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hundreds tens ones tenths hundredths 1 9 0 0 use whole numbers and deci…
$10 + 0 + 0.0 + 0.00$
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the equation for the line of best fit is $y = 0.4x + 60$. according to …
Dan can expect to score about 60% if he does not spend any time studying.
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a ratio is... (find the definition in the carnegie learning book and co…
A ratio is a comparison of two quantities
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the equation for the line of best fit is $y = \\frac{2}{3}x + \\frac{1}…
The shoveling time increases by about 2 hours for every 3 inches of snowfall.
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the equation for the line of best fit is $y = -x + 25$. according to th…
Liam probably typed about 25 words incorrectly at the start of the typing class.
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the equation for the line of best fit is $y = 3x + 1$. according to the…
For each additional child at story hour, about 3 more books get checked out.
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what is the equation of the line? options: y = 1.5x, y = 3x, y = 15x, y…
\(y = 15x\)
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the equation for the line of best fit is $y = 15,000x + 95,000$. accord…
A team member's annual sales increase by about $15,000 for each year of experience.
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what is the equation of the line? y = 35x how far does the car travel i…
105
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10. the table below shows the sales for a flower company for the years …
A. \(y = 1.4x+55\) ### Question 12
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question 3400 dollars is placed in an account with an annual interest r…
23284.80
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question a new car is purchased for 15300 dollars. the value of the car…
The value of the car after 6 years, to the nearest cent, is $\$6083.28$.
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use the graphs to determine which recipe has the strongest taste of lem…
Carlos' recipe has the strongest taste of lemon - lime. Zeb's recipe has the weakest taste of lemon - lime. The lines indicate that Carlos' recipe contains more lemon - lime conce…
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build a model that shows \\(\\frac{5}{8}\\).
To build the model for $\frac{5}{8}$, divide the square into 8 equal parts (e.g., 2 rows and 4 columns to get 8 small squares) and shade 5 of those 8 parts. The final model will h…
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write an equation for the distance the car travels, y, after x hours. y…
For the car's distance equation: \( y = 40x \) (where \( y \) is distance in miles, \( x \) is time in hours, and 40 is the speed in mph). For any proportional relationship with s…
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each student in a school sold at least 24 raffle tickets. write the ine…
\( l \geq 24 \) (where \( l \) is the number of raffle tickets each student sold)
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12 is 75% of what number? 12 is 75% of blank box
16
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3 alberto is in charge of making lunch at a summer camp. he knows that …
Alberto should make 7 tuna casseroles.
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8.1 connected to a dashed rectangle, 1.80; 1.8 connected to a dashed re…
8.80
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a recipe calls for 2 eggs for every 5 cups of milk. how many eggs do yo…
\( 8 \)
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what number does the model represent? choose all the correct answers. 2…
2.4, 2.40
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b cisco is exercising. the graph shows the ratio calories burned : time…
100
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what number does the model represent? choose all the correct answers. 0…
0.70, 0.7
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celsius and fahrenheit the formula to convert from celsius to fahrenhei…
If the temperature is \( 65^\circ \text{F} \), that is equivalent to \( \boldsymbol{18.3}^\circ \text{C} \). If the temperature is \( 41^\circ \text{C} \), that is equivalent to \…
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m2t1l6:use&compare ratio representations assign started: dec 11 at 10:3…
180 miles
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what is the word form of the number shown? 52.09 fifty-two and nine ten…
D. fifty-two and nine hundredths
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what is the word form of the number shown? 0.19 one and nine tenths one…
nineteen hundredths
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0.47 = \\frac{47}{100} \ what is the word form of this number? \ four a…
D. forty-seven hundredths
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0.47 how can you write this decimal as a fraction? write the decimal as…
Write the decimal as a fraction with a denominator of 100.
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problem solving the numbers of text messages sent and received in one d…
(part a and b): a. About $\frac{13}{30} \approx 0.43$ (or 43%) b. About $\frac{7}{30} \approx 0.23$ (or 23%) (Note: If counting was wrong, recheck. Let's recount part a: Numbers >…
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first, build a model for the decimal shown. 0.47
Shade 47 small squares in the 10x10 grid.
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modeling real life the heart rates (in beats per minute) for a random s…
\(9.19\)
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b word #4: perspective : what dictionary definition best fits the inten…
(For the "What dictionary definition best fits..." part) A common dictionary definition of "perspective" (when referring to a point of view) is "a particular attitude toward or wa…
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modeling real life the numbers of text messages sent and received in on…
65.4
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part: 1 / 4 part 2 of 4 (b) compute the correlation coefficient between…
0.504 below, positive Given two quarterbacks, the taller one is likely to be heavier than the shorter one.
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determine whether the data are collected from a population or a sample.…
The data are collected from a population because the data is about each (all) dentist in the United States.
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two groups of workers are painting a bridge in the bay. the first group…
When the two groups have painted the same amount, each will have painted 7 kilometers of the bridge.
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determine whether the data are collected from a population or a sample.…
The data are collected from a sample because the data is about a portion (100) of the 1800 spectators at the sporting event.
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6. matthew scored a total of 168 points in basketball this season. he s…
\(12.5\%\)
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determine whether the data are collected from a population or a sample.…
The data are collected from a population because the data is about all high school students in the United States.
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a county has a total of 165,557 registered democratic and republican vo…
(a): The filled two - way table is as above.
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12. two classes at liberty middle school are setting up imaginary banks…
6
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what is the domain of this function? (-3, -7) (-8, 8) (10, 1) (9, 4) (7…
\(\{-8, -6, -3, 7, 9, 10\}\) (the third option in the list of sets, which is \(\{-8, -6, -3, 7, 9, 10\}\))
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carly uses a random number generator to simulate randomly choosing a se…
$\frac{16}{25}$
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the first question is a bit difficult to answer. it seems that two diff…
D. Taylor shakes his opponent’s hand and congratulates him after losing a tennis match to him.
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vocab word #4: perspective definition: what dictionary definition best …
### Definition: A particular attitude toward or way of regarding something; a point of view ### Sentence: From my perspective, the new policy will help students learn more effecti…
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11. lenny makes $55,000 and is getting annual raises of $2,500. karl ma…
14 years
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kyle uses a random number generator to simulate randomly drawing a bolt…
$\frac{17}{25}$
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patties produce charges $2.29 for a package of strawberries. on average…
D. $-1.8x^2 + 21.61x + 217.55 \geq 255$
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the graph below represents the quiz scores of 10 students and the numbe…
A. The relationship between increasing sleep and increasing quiz scores is strong.
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a survey was taken comparing the number of hours per week students spen…
As the number of hours spent watching TV increases, student exam performances will probably decrease
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which of the following correlation coefficients indicates the strongest…
\(-0.721\)
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11. 3 pens and 3 notebooks cost $13.50 while 4 pens and 14 notebooks co…
A. Yes
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the table shows the estimate of tax revenues, in billions of dollars, f…
0.078
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3 pens and 3 notebooks cost $13.50 while 4 pens and 14 notebooks costs …
A. \( x = 1.20 \), \( y = 3.30 \)
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5. leveled practice the scatter plot shows the number of people at a fa…
4
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jaxon read 12 books in 2 months. what was his rate of reading, in books…
The rate is 6 books per month. For the double number line: - Books line: 0, 12 (at months 2), and 6 (at months 1) - Months line: 0, 1, 2 (If filling the boxes: top (books) middle …
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tanisha read 4 books in 5 months. if she reads at a constant rate, how …
$\frac{4}{5}$
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read the excerpt from act 3, scene 2 of the tragedy of macbeth. macbeth…
the consuming power of guilt
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andrew drove 135 miles in 3 hours. if he drove at a constant rate, how …
The miles per hour is 45. So, on the double number line: - Miles line: First box (above 1 hour) is 45, second box (above 3 hours) is 135. - Hours line: First box (below 45 miles) …
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the box plot represents the number of minutes it takes for the students…
5 (the option B. 5)
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12. if you wanted to give a survey that had a 3% margin of error, how m…
1112 (the option with 1112)
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use the two - way table below to answer the following questions. own a …
a) 194 people b) 30 people c) 25 people
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11. the heights of students are distributed normally with a mean of 58\…
A. \( 55'' \) and \( 61'' \)
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(the women listen to the men’s steps on the stairs, then look about the…
C. various sound effects can be used to create or enhance the mood.
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using the set of data below, which statements are true? check all that …
The mean of this data set is 17, The median is 12.5, The mean is more affected by the outlier (corresponding to the checkboxes: the first, second, and fourth options).
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sora was given two data sets, one without an outlier and one with an ou…
The outlier made the mean lower than all the other values.
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write an inequality that represents the graph. -1 0 1 2 3 4 (there is a…
\( x > 2 \)
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question 21 write an inequality that represents the graph.
\( -1 < x < 5 \)
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jacobs daily tips this work week were $91, $71, $81, $91, $90, and $68.…
Yes, Jacob is correct. The median amount he makes is $84.00 in a day.
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write a system of equations to describe the situation below, solve usin…
The beam routine is \( 2 \) minutes long and the floor exercise is \( 3 \) minutes long.
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29. a basement filled with water from a rainstorm and is draining at a …
\(y=-11x + 1280\) ### Part 29 (b)
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a theater production charges $21 for adult tickets and $15 for student …
Adult tickets: 67, Student tickets: 35
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alicia received the following seven scores on her math assignments. 80,…
the median (along with the mean calculation: 77, median: 90, and the conclusion that median is better) For the multiple - choice part, the answer is: the median (the option: the m…
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$\\frac{5}{6} \\times \\frac{3}{8}$
\(\frac{5}{16}\)
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deepali was given two data sets, one without an outlier and one with an…
The outlier made the mean higher than all the other values.
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three pumps are pumping fluid at constant rates. for each, the amount o…
Pump A
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determine whether the given value is a statistic or a parameter. a heal…
A. Statistic
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which set of data does not contain any outliers? 113, 115, 103, 154, 10…
The set of data that does not contain any outliers is 99, 103, 91, 104, 109, 107, 97 (the third option in the list).
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skills to know-parallelism: on the english portion, make sure all your …
"Have been bought" pairs with "Have been sold" (both are present perfect passive voice, parallel in tense and voice structure). "Set up" and "Sold" do not form a parallel pair wit…
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(1, -19), (-2, -7) (3, -20), (5, 8)
Para los puntos (1, -19) y (-2, -7), la pendiente es -4. Para los puntos (3, -20) y (5, 8), la pendiente es 14.
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expecting good things to happen can lead to disappointment. progress is…
To solve this, we match each quotation to its corresponding theme by analyzing the meaning of each quotation and theme: ### 1. Match "Every day you will carry the pig up the mount…
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4 functions compare functions function 1 x | y -2 | -10 0 | -5 2 | 0 4 …
1. La función con mayor intersección con el eje \( y \) es Función 2. 2. La función con mayor pendiente es Función 1. 3. La función con pendiente negativa es Función 2.
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46) jack and shanice are selling flower bulbs for a school fundraiser. …
One bag of windflower bulbs costs $4, and one package of crocus bulbs costs $15.
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7. the average yearly snowfall in edmonton is 123.5 cm. lethbridge rece…
130.5 cm
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bacteria a bacteria sample starts with 5 bacteria after one minute, the…
C. \( a_n = 5(2)^{n - 1} \) ### Part c
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43) gabriella and scott are selling pies for a school fundraiser. custo…
The cost of one cherry pie is \$12 and one pumpkin pie is \$16.
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2. la gráfica muestra el número de visitantes del zoológico a diferente…
La tasa de cambio es de 50 visitantes por hora, lo que significa que entre las 10:00 y las 12:00, el número de visitantes aumenta a 50 visitantes cada hora.
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42) micaela and shawna each improved their yards by planting daylilies …
The cost of one daylily is \$10 and the cost of one pot of ivy is \$8. ### Problem 43: