Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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farmer trent has a total of 4,500 tomato plants on his farm. the start …
between 1,800 and 3,150
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(\frac{5}{9} \times \frac{1}{4} =)
$\frac{5}{36}$
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lesson 4 practice problems 1. which statement is true about these 2 dis…
count Set A again: 0:2,1:3,2:4,3:5,4:4,5:3,7:1. Total dots:2+3=5, +4=9, +5=14, +4=18, +3=21, +1=22. Correct. Set B:3:1,4:4,5:5,6:5,7:4,8:3,9:2. 1+4=5, +5=10, +5=15, +4=19, +3=22, …
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5. “the wine” what did marji’s family need more: plastic over the windo…
### Question 5: Marji's family needed plastic over the windows more. This reflects that the new Islamic society was consumed by violent war, where immediate physical survival from…
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in an effort to improve its family plans, a phone service provider want…
The average number of messages parents and guardians send to their teenagers each day is likely about 7, though the actual average number of messages could reasonably be 2 more or…
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problems 1-25: find the answer for each blank space. problem # | fracti…
1. $1.0$ 2. $50\%$ 3. $0.\overline{3}$ 4. $66.\overline{6}\%$ 5. $0.25$ 6. $50\%$ 7. $\frac{3}{4}$ 8. $20\%$ 9. $\frac{2}{5}$ 10. $0.6$ 11. $\frac{4}{5}$ 12. $12.5\%$ 13. $0.1$ 14…
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plot the solution for the range of acceptable suitcase weights on the n…
x < 32.5 or x > 47.5 --- For the drag-and-drop (Part D):
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which decimal is less than the one shown in this diagram? 0.1 0.52 0.8 …
0.1, 0.52, 0.6
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5. 77% = ______ 6. ______% = 0.46 7. 3.5% = ______ 8. ______% = 6.71 9.…
5. $0.77$ 6. $46$ 7. $0.035$ 8. $671$ 9. $0.16$ 10. $8$ 11. $1.49$ 12. $9.2$ 13. $0.28$ 14. $10$ 15. $0.9$ 16. $0.5$
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do the data suggest a linear, quadratic, or an exponential function? us…
The data suggest a(n) **quadratic** function because the **second differences** are approximately equivalent. The quadratic regression model is $y = -x^2 + 23x - 107$
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examples: converting a decimal to a percent: 0.79 = 0.79 = 079. = 79 = …
1. D. 50% 2. B. 2% 3. D. 207% 4. A. 98%
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which decimal is greater than the one shown in this diagram? 0.22 0.1 0…
0.22
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6.5.4 practice 3 the actual weight of the chocolates is 0.3698 pound. a…
a. The chocolates are lighter than the stated label weight. We know this because when comparing the decimal values, $0.3698$ (actual weight) is less than $0.38$ (label weight) (wh…
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8 from unit 4, lesson 3 in the 21st century, people measure length in f…
a. $\boldsymbol{h = \frac{9}{2}c}$ (or $\boldsymbol{c = \frac{2}{9}h}$) b. $\boldsymbol{h = \frac{15}{2}p}$ (or $\boldsymbol{p = \frac{2}{15}h}$)
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write an equation to describe the relationship between the distance she…
a. $D = 2$ b. $D = \frac{5}{3} + \frac{2}{3} = 2$ c. $D = 1.5 + 1.375 = 2.875$ d. $D = 0.1a + 2.6$ e. $D = \frac{5.4m}{60} + \frac{bn}{60}$ 8a. $h = \frac{9}{2}c$ (or $2h = 9c$)
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6 from unit 3, lesson 13 the number of points jada’s basketball team sc…
- Mean: Jada's basketball team scored an average of 44 points per game. - Standard Deviation: The number of points the team scored in a game typically differs from the 44-point av…
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on a hot day, troy poured 11/12 of a bucket of water into a plastic wad…
$\frac{17}{12}$ or $1\frac{5}{12}$ buckets
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at the dealership where she works, tessa fulfilled 1/5 of her quarterly…
$\frac{9}{10}$ of her quarterly sales goal
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2/3 of the students in an art class are currently painting with waterco…
$\frac{5}{6}$ of the students
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for a class gardening project, 1/4 of mrs. norenas students planted mar…
$\frac{3}{4}$ of the students
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3 6.5.4 practice 3 a bag of chocolates is labeled to contain 0.384 poun…
lighter The actual weight of the chocolates (0.3798 pound) is less than the labeled weight (0.384 pound), so the chocolates are lighter than the stated label weight.
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the ages of the members of four teams are summarized below. answer the …
(a) Team A (b) Team D
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the test scores of the students in four classes are summarized below. a…
(a) Class C (b) Class B
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4. at the beginning of the school year, rochelle joins the school garde…
1. Rochelle plants 108 tulip bulbs in all. 2. Jasmine should get back $\$1.25$ in change.
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the growth of a species of fish in a lake can be modeled by the functio…
D. The starting number of fish in the lake.
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the salaries of the employees at four companies are summarized below. a…
(a) Company C (b) Company D
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number of tomato plants match each point to the statement that describe…
- A: 2. Only broccoli was planted, but the plot is fully used and all plants can grow properly. - B: 3. After 3 tomato plants and 2 broccoli plants were planted, there is still ex…
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what does the value 5,200 represent in the function? a growth factor b …
D. initial population ### Second Question (About 1.1):
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what decimal is being modeled? write it as a fraction.
Decimal: $0.28$ Fracción: $\frac{7}{25}$ (o $\frac{28}{100}$)
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question 2 of 5 select the correct answer. haley conducted a study whic…
D. $58.41 \leq f(x) \leq 150$
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4 a car traveled 180 miles at a constant rate. a. complete the table to…
The equation is \(r=\frac{180}{t}\) (or equivalently \(rt = 180\) or \(r=180\div t\)).
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select the correct answer. in 2010, there were 400 frogs in the lake at…
$f(x) = 400(1.1)^x$
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20,736^{4/5} \\approx \\square
$7.3$
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complete the table. boys\tgirls \t10 7\t14 9\t \t which points are loca…
1. Completed table: | Boys | Girls | |------|-------| | 5 | 10 | | 7 | 14 | | 9 | 18 | | 2 | 4 | *(Note: The last row can be any pair with a 1:2 ratio)* 2. b) $(-3, 5)$, d) $(-8, …
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8-60. based on the tables below, say as much as you can about the x- an…
1. X-intercepts: $(2, 0)$, $(-4, 0)$, $(3, 0)$; Y-intercept: $(0, 18)$ 2. X-intercepts: $(3, 0)$, $(8, 0)$; Y-intercept: $(0, -3)$ 3. X-intercept: $(1, 0)$; Y-intercept: $(0, -4)$
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in the data set below, what is the mean absolute deviation? 2 9 3 2 5 2…
1.9
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wednesday determine the missing value. \\(\\frac{12\\text{ candies}}{1\…
1. Missing candy value: 48; Scaled up 2. $2,146 \div 100 = 21.46$ 3. $7.25 \times 3.6 = 26.1$ 4. Distance between $(-3, 7)$ and $(4, 7)$: 7
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does the following data represent a function? x | -3 3 4 -3 y | 8 4 3 9…
No
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does the following data represent a function? x| 2 0 2 5 y| 1 -3 1 22
Yes, the data represents a function. Because even though the x - value 2 is repeated, it maps to the same y - value (1) in both cases, and each other x - value (0 and 5) also maps…
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draw a model for $\frac{8}{10}$. write it as a decimal.
Decimal: $0.8$ (Model: Shade 8 out of 10 equal columns in the 10x10 grid)
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the table shows the number of visitors to a web page over a period of s…
The recursive formula is \(a_1 = \boldsymbol{15}\) and \(a_n=\boldsymbol{2a_{n - 1}}\) (for \(n\geq2\)).
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solve. (change to decimal first then add)\\(\frac{20}{100} + \frac{8}{1…
$1.00$
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the table shows the number of visitors to a web page over a period of s…
\( 15 \times 2^{n - 1} \)
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a house was valued at $287,000 at the beginning of an economic recovery…
C. Positive real numbers (0, 0.5, 1, 2, ...)
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select all of the correct answers. what does the process of close readi…
B. analyze and critique the story D. understand the literary elements of the story
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1 three brothers share one video game system at their home. in total, t…
B. $\frac{1}{6}$ hour ### Question 2
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round 238,098 to the nearest... 100: 1,000: 10,000:
100: 238,100 1,000: 238,000 10,000: 240,000
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part 1 of 3 a new optical illusion is posted on the internet. write a r…
\(a_1=\boldsymbol{20}\) \(a_n=\boldsymbol{4a_{n - 1}}\) (for \(n\geq2\))
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question 4 of 5 select the correct answer. which of the following repre…
La opción del diagrama de flechas (con el conjunto x = {0,1,2,3} y y = {4,7,16,52}, donde cada valor de x se asocia a un solo valor de y)
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question 3 of 5 select the correct answer. which of the following sets …
$\{(10,5), (-10,-5), (5,10), (-5,-10)\}$
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which scatter plot shows a linear association with no outliers?
The bottom-left scatter plot (the one with the blue border)
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1 pour chacune des fractions suivantes, trouve une fraction équivalente…
a) $\frac{6}{10}$ b) $\frac{28}{100}$ c) $\frac{45}{100}$ d) $\frac{505}{1000}$ e) $\frac{32}{100}$ f) $\frac{4}{1000}$ g) $\frac{842}{1000}$ h) $\frac{55}{100}$
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convert each fraction to a decimal. \\(\frac{43}{100}\\) = \\(\frac{3}{…
$\frac{43}{100} = 0.43$ $\frac{3}{10} = 0.3$ $\frac{70}{100} = 0.7$ $\frac{85}{100} = 0.85$
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4 in a marketing study, two different groups of 12 people previewed a n…
To solve this, we analyze each option by calculating mode, mean, median, and range for both groups. ### Step 1: Organize the data - **Group A (sorted):** \(1, 1, 5, 5, 6, 7, 7, 8,…
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solve. (change to decimal first then add) \\(\frac{45}{100} + \frac{5}{…
0.95
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which of these statements are true for the scatter plot? select all tha…
- The scatter plot shows a nonlinear association.
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solve. (change to decimal first then ad \\(\\frac{45}{100} + \\frac{5}{…
$\frac{45}{100}+\frac{5}{10}=0.95$ $0.9 = \frac{9}{10}$ $0.40 = \frac{2}{5}$ $0.38 = \frac{19}{50}$ $0.84 = \frac{21}{25}$
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24. is the pictured graph growth, decay, or linear or none? a) none b) …
d) Exponential Growth ### Question 25
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solve. (change to decimal first then add) \\(\frac{45}{100} + \frac{5}{…
$0.95$
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finding possible outcomes eli chooses two shirts from a group of five t…
- The combination of AB and BA are the same. - Each shirt can be paired with any one of other the remaining shirts. - If he chooses shirt B, there are four possible outcomes for c…
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drag the tiles to the correct boxes to complete the pairs. match the te…
- cycle of birth and death → Samsara - soul → Atman - ultimate spiritual goal → Moksha
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practice solving problems using factorials, permutations, and combinati…
D. ABC, ACB, BCA, BAC, CAB, CBA
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a school is organizing a cookout where hotdogs will be served. the hotd…
The number of small packs \( x = 8 \) and the number of large packs \( y = 4 \). So the solution to the system of equations (graphically, the intersection point) is \((8,4)\), whe…
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what does shoulder mean here? dirk shifted the car into reverse, glance…
shoulder noun the part of your body that connects the arm to the torso
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what does effect mean here? politicians disagree on the effect of immig…
effect noun a change that results from a cause
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what does issue mean here? the city of hillsboro plans to issue a bond …
issue verb to supply or distribute in an official way
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11. is the pictured graph growth, decay, or linear or none? a) exponent…
a) Exponential Growth ### Question 12
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contemplated means..... to view or consider with continued attention; a…
the orange box: to view or consider with continued attention;
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what does accessory mean here? \the right accessory can make or break y…
The correct meaning is: accessory noun an item used to enhance beauty or usefulness
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what does monitor mean here? preparing a budget can be an effective way…
monitor verb to watch carefully
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what does interest mean here? though im not usually a fan of modern art…
interest noun attention or concern
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what does refrain mean here? when seals flocked to oregon beaches, biol…
refrain verb to keep yourself from doing a desired action
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morosely means.... gloomy, bad-tempered, and uncommunicative; assuming …
A. gloomy, bad - tempered, and uncommunicative;
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5. what did he mean by: onviolence is not passive - it is powerful,\ an…
- "Nonviolence is not passive - it is powerful": Nonviolence is an active, purposeful approach (e.g., civil disobedience, advocacy) to challenge injustice, leveraging moral author…
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contemplated means..... marked by arrogant assurance; a particular poin…
The correct option is the red one: to view or consider with continued attention;
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junctures means.... assuming power or authority without justification; …
B. a point of time (assuming the blue option is labeled B; if labels were A, B, C, D as top - left, top - right, bottom - left, bottom - right, then the correct option is B. a poi…
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yammered means.... to view or consider with continued attention; gloomy…
talk foolishly or incessantly:
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what is the meaning of the word treacherous as used in the passage? the…
hazardous
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bindle mean..... marked by arrogant assurance something that bends: a b…
C. a bundle of clothes or bedding;
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to determine the number of deer in a game preserve, a forest ranger cat…
1630
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justin and daniel work at a dry cleaners ironing shirts. justin can iro…
Justin worked \( \boldsymbol{4} \) hours, Daniel worked \( \boldsymbol{10} \) hours.
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what is the meaning of the word foster as used in the passage? as a tea…
to promote development or growth
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the demand equation for an item currently being marketed is given by $d…
33
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does the table below represent a linear, quadratic, or exponential func…
The table represents an exponential function.
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dr. martin luther king jr his values, impact, and blueprint for humanit…
"Moral courage could dismantle systemic injustice without resorting to violence" means that one can combat unfair social systems (like racial injustice) through morally - driven, …
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select the text from the paragraph that best helps you understand that …
The text segment: "bilingual participants performed better on certain mental puzzles than their monolingual counterparts... allowing them to complete some tasks with greater ease."
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why are text messages considered discrete? they are continuous. you rec…
A. You receive the entire message, not a fraction of it.
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which of the following is an example of a discrete relationship? height…
A. Purchasing tickets
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alexsa had $14.50. she spent $4.35 at the snack bar and $5.25 at the ar…
$\$4.90$
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find the difference: 1 - 0.4308
\(0.5692\)
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open summer of the mariposas in the amplify library and find one or two…
1. Sample note about mariposas in the text: When Elena visits her abuela's garden in Puerto Rico, the mariposas that flit around the frangipani flowers are described as "fragments…
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practice problems; lesson 3 here is a table and a scatter plot that sho…
1. Circle the point at (3.1, 10.4) on the scatter plot. 2. The point (2.1, 18.6) represents Player B, who had 2.1 free throw attempts per game and scored 18.6 points per game duri…
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write the percent as a decimal or the decimal as a percent. use a model…
1. $0.81$ 2. $91\%$ 3. $0.05$ 4. $0.08$ 5. $0.003$ 6. $0.78$ 7. $16.7\%$ 8. $29.3\%$ 9. $382\%$ 10. $2.1$ 11. $1.008$ 12. $12.5\%$ 13. Decimal: $0.25$, Percent: $25\%$ 14. Decimal…
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a road crew must repave a road that is \\(\\frac{3}{8}\\) miles long. t…
18 hours
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how can you identify a continuous relationship on a graph? 1. the graph…
C. The points are connected between the start and end.
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1) 82, 45, 43, 52, 41, 66, 38, 67, 88, 59, 54 mean ____ median ____ mod…
- Mean: \(\approx 57.64\) (The given 127.6 is wrong) - Median: \(54\) (Correct) - Mode: \(NONE\) (Correct) - Range: \(50\) (The given 52 is wrong)
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try again your answer is incorrect. a metal rod will be cut into pieces…
49 pieces
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a metal rod will be cut into pieces that are each \\(\\frac{1}{36}\\) m…
$\frac{63}{2}$ or 31.5 pieces
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which word means a thing accomplished with effort?
Feat (or Achievement, Accomplishment) *Note: "Feat" specifically emphasizes a thing accomplished with great effort; "Achievement" and "Accomplishment" are also valid, direct match…
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which of the following is a characteristic of a discrete relationship? …
1. It cannot be broken down into fractions or decimals.