Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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jay collects eggs in a basket and weighs the basket. he graphed the rel…
The slope represents the mass (in grams) of one individual egg.
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question 11 a sample that ______ is most likely to yield generalizable …
B. is large and randomly selected
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select the correct answer. based on the data in this two - way table, w…
A. A flower being pink and a flower being a rose are independent of each other.
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during an 8-hour work day, miles spent 2 hours in a meeting. write the …
Ratio: $\frac{1}{4}$ (or 1:4), Percentage: 25%
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type the correct answer in the box. use numerals instead of words. for …
0.618 0.245 0.588
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based on the data in this two - way table, which statement is true? |ty…
B. P(flower is hibiscus|color is red) = P(flower is hibiscus)
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test content page 9 of 50 question 9 2 points a negative correlation me…
B. one variable decreases as the other increases
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type the correct answer in each box. use numerals instead of words. a s…
Without Children - Tablet: 15 Without Children - Total: 88 With Children - Phone: 31 With Children - Total: 98 (In table order: 15, 88, 31, 98)
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a local little league has a total of 60 players, of whom 20% are left -…
12
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a fishing boat uses $14\\frac{3}{4}$ gallons of fuel on a full - day fi…
422
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a utility company says that the cost of operating a hair dryer is \\(\f…
4¢
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the four blades in a four - piece chisel set contain cutting - edge wid…
$\frac{5}{7}$ in
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the manufacturers suggested retail price (msrp) for a particular car is…
\( f(x)=-2730x + 25430 \)
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text - dependent questions for the following questions, choose the best…
D. It is difficult but important to stand up for what is fair and right.
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1. a submarine is descending to examine the seafloor 2,100 feet below t…
$y = -1050t$ (where $y$ is the submarine's elevation in feet, $t$ is time in hours, and negative values indicate position below the surface)
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in 1980 the population of alligators in a particular region was estimat…
\boxed{9952} (or a similar value depending on rounding precision, but approximately 9952)
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a rectangular model is given, with the shaded portion representing the …
Ratio: \( \boldsymbol{\frac{1}{4}} \) (or 1:4), Percent: \( \boldsymbol{25\%} \)
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joll is regularly priced at $118. for a sale, the price was reduced by …
\(\boldsymbol{\frac{30}{100}=\frac{x}{118}}\) ### Part (b)
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(a) let x be the amount of tax for the room (in dollars). using the val…
\(\boldsymbol{\frac{11}{100}=\frac{x}{83}}\) ### Part (b)
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the number of employees for a certain company has been decreasing each …
178
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question 20 which of the following was not a problem that chef pi encou…
A. Her strategy was unsuccessful because she only had access to the Asian market.
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this graph shows how the amount of dough aaron has prepared is related …
70 kilograms
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a nature center has 13 monkeys playing in it. 5 monkeys are on the low …
7
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at the school store, budi bought 16 pencils, 22 erasers, and 14 sticker…
52
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the animal shelter has 54 cats and 97 dogs. how many fewer cats than do…
43
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4 bags of candy cost $14.00, then how much did you pay per bag? write a…
1. Cost per bag of candy: $\$3.50$ 2. Expression: $1.5 \times (10 \times 5)$ 3. Absolute values: $|-8| = 8$, $|5| = 5$, $|0| = 0$, $|-2| = 2$ 4. Unknown number: $300$
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rani can name 48 world capitals. she can name 21 fewer than ari can. ho…
69
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valuate. 5.3 * 0.5 = your family went to dinner and the bill was $60. y…
1. $2.65$ 2. $\$69$ 3. $\$60$ 4. a) $-5$ b) $2$ c) $3$
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write in your own words, define the terms point of intersection and bre…
### Definitions: - **Point of intersection**: The single point that lies on two different linear graphs, meaning its coordinates satisfy the equations of both lines. - **Break-eve…
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name wednesday for every 8 dogs there are 4 cats in a shelter. if there…
1. Wednesday (top): 36 total animals 2. Wednesday (bottom): $9\times2.5 + 9\times3$ (or simplified: $22.5 + 27$) 3. Thursday (top): a) $\$7.50$ for 3 pies, c) 1 burger for $\$2.50…
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write in your own words, define the terms point of intersection and bre…
1. Cost Equation: $C = 200 + 8x$, where $C$ is the total cost to buy videos, and $x$ is the number of videos purchased. Revenue Equation: $R = 12x$, where $R$ is the total revenue…
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week 17 monday use the model to solve. \\(\\frac{3\\text{ cars}}{12\\te…
## Monday Proportion: 20 people ## Tuesday Comparisons: $-9 < -6$ $12 > 7$ $-4 < -1$ $-2 < 2$ ## Monday Number Line: a) Point labeled 'a' at -3, b) Point labeled 'b' at 0, c) Poin…
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in 4 and 5, complete the ratio tables to solve the problems. 4. apply m…
### Morgan's Sleep Ratio Table | Days | Hours of Sleep | |------|----------------| | 5 | 40 | | 10 | 80 | | 15 | 120 | | 20 | 160 | | 25 | 200 | ### Question 4 Answer: 25 days ###…
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potatoes cost $0.99 for 2. how much is one potato? $0.52 $0.53 $0.50 $0…
None of the options are precisely correct; the exact cost is $0.495, which rounds to $0.50
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7. raoul says that function b has a greater initial value. is raoul cor…
Raoul is correct. The initial value of Function A is 0, while the initial value of Function B is 3, and 3 is greater than 0.
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6. a kite starts on the ground and slowly ascends into the sky. it flie…
The graph has three distinct segments: 1. A shallow upward-sloping line starting at the origin (0,0), representing the kite's slow ascent to a constant height over time. 2. A hori…
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name: 7-3 additional practice 1. edith and rashida are shooting free th…
1. Completed tables: - Edith: Baskets = [1, 2, 3, 4, 5]; Shots = [3, 6, 9, 12, 15] - Rashida: Baskets = [2, 4, 6, 8, 10]; Shots = [5, 10, 15, 20, 25] - Rashida has a better ratio …
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question 1 respond to the following based on your reading. during one d…
37 : 13 ### Part b: Nonpurchasers to purchasers
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choose all that give the correct inequality for the graph shown. a $y\\…
A. $y\leq-\frac{1}{3}x + 1$, B. $y<-\frac{3}{5}x - 2$, C. $y>\frac{1}{2}x + 1$
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challenge question toward the end of the passage, the author writes, “a…
D. still runs for fun even though she does not compete professionally
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consider the following argument: 1. using others as a mere means to you…
## Could Be an Implied Premise Having casual sex uses others as a mere means to your own pleasure. ## Could Not Be an Implied Premise Sex is meant for procreation, and not one's o…
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this graph shows how dannys bank account balance is related to the numb…
4 admission tickets
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this graph shows how the cost of dwaynes graduation picnic depends on t…
20 attendees
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passage 1 dragons do not exist. however, a brief look at any western na…
# Brief Explanations: To find the antonym of "abundance", we first determine the meaning of "abundance", which means a large quantity or plenty. Now we analyze each option: - Opti…
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this graph shows how the number of forks that lauren has left is relate…
D. 60 forks
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this graph shows how the number of spools of thread that amy has left i…
40 spools of thread
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this graph shows how the number of bottles of lotion quinn has left is …
40 gift baskets
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this graph shows how the time required to ring up a customer is related…
70 seconds
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parakeets pet store never has more than a combined total of 20 cats and…
The possible solutions are \((8, 12)\), \((0, 18)\), and \((6, 14)\). So the selected options should be: - \(\boldsymbol{(8, 12)}\) - \(\boldsymbol{(0, 18)}\) - \(\boldsymbol{(6, …
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this graph shows how the number of salad plates that jon has left is re…
1 tables
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4. a pet store never has more than a combined total of 20 cats and dogs…
C
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6. (2 points) divide 271 by 62.08. use the appropriate rounding rules t…
4.37
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table x | y 0 | 0 1 | 2 | 3 | 4 | constant of proportionality equation …
Constant of Proportionality: \( 2 \) Equation: \( y = 2x \)
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complete the chart by dragging and dropping the correct meaning into th…
| Term | Form | Definition | Sample Sentence | |------------|------------|-----------------------------------------------------------------------------|---------------------------…
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this graph shows how the number of chocolates francesca has left is rel…
8 gift baskets
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this graph shows how the number of yards of fabric that kendra has left…
8 dresses
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select the correct graph below. a. -10 -8 -6 -4 -2 0 2 4 6 8 10 b. -10 …
C. The graph with a left square bracket at 2 and an arrow pointing to the right (representing \( x \geq 2 \)).
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5. (2 points) round each of the following numbers to four significant d…
a. 27.95 b. 0.0001488 c. $31.00 \times 10^{-5}$ d. 90.00 e. 39,000 f. -701.0
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going for a walk story miss johnson walks at a rate of 2 miles per hour…
** Substitute \(x = 5\) into \( y = 2x \): \( y = 2(5) = 10 \) She walks 10 miles in 5 hours. ### Graphing To plot the points on the graph: - For \(x = 0\), \(y = 0\) (point: \((0…
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ush financial is examining the use of its midtown atm machine. here are…
26
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how much does each movie ticket cost? the price of 1 movie ticket is $ …
Yes, the price is always 5 times the number of tickets.
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robert bought 2 movie tickets for $10. deion spent $20 on 4 movie ticke…
$5$
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4. (2 points) using the standard rules for counting significant digits,…
a. 5 b. 4 c. 5 d. 1 e. 2 f. 3
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m5 practice b - exponents score: 21/22 21/22 answered question 22 write…
$7.3 \times 10^3$
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instructions read the question carefully and select the best answer. wh…
C. The speaker pays tribute to the Captain for saving the ship, and wishes he were alive to enjoy the victory.
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instructions read the question carefully and select the best answer. wh…
C. verb I endured
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ratio, proportion, & percent use for questions 1-2: savannah sold boxes…
1. D. 5:3 2. A. 2:5 3. C. 7:24 4. A. 1:3 5. D. 10:3 6. B. 9:20 7. 27.8 miles per gallon 8. D. Sunny D
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which graph shows the line of best fit for the data?
The top-right graph (the one with a downward-sloping blue line starting at (0,8) and ending near (20,4)) is the correct line of best fit.
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20. communicate and justify dale says the ratios 3:5 and 2:10 are equiv…
No, Dale is not correct. The ratio $3:5$ simplifies to $\frac{3}{5}$, while $2:10$ simplifies to $\frac{1}{5}$. Since $\frac{3}{5} eq \frac{1}{5}$, the two ratios are not equiva…
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what does gdp measure health income the economy inflation what does \pe…
C. The Economy ### Second Question: What does "per capita" mean?
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1. (2 points) write each of the following numbers in scientific notatio…
a. $9.9012 \times 10^4$ b. $7.0 \times 10^1$ c. $-1.04 \times 10^1$ d. $2.73 \times 10^0$ e. $8.0005 \times 10^{-1}$ f. $6.1 \times 10^{-3}$
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23. choose efficient methods for a small music concert, each child in a…
6 children (for 15 adults), 10 children (for 25 adults), 16 children (for 40 adults) --- ### For Question 25:
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22. higher order thinking an animal shelter can hold a total of 60 cats…
25 cats and 35 dogs --- ### For Question 24:
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what is the y - value of this function when x = -9?
\(-0.7\) (or \(-\frac{7}{10}\))
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8. using the point (3, 45), find the constant of proportionality k and …
The constant of proportionality \( k \) is 15, and the equation describing the proportional relationship is \( y = 15x \).
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recognize proportional relationships in graphs 1. the graph shows the a…
To determine if the graph shows a proportional relationship, we use the properties of proportional relationships in graphs: 1. A proportional relationship's graph is a straight li…
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look at the table. then answer the question below. latin word | meaning…
officially name
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5. does the graph show a proportional relationship? why or why not?
To determine if a graph shows a proportional relationship, we use the definition of a proportional relationship: a relationship between two quantities where the ratio of the two q…
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4. model with mathematics henry goes to the town fair. use the prices o…
First, complete the table: when \( x = 3 \), \( y = 10 + 6\times3 = 28 \). The points do not show a constant ratio. For example, the ratio of total cost to number of rides for 1 r…
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in 10–15, use = or ≠ to show whether the ratios are equivalent. 10. 3:1…
10. $3:12 = 6:24$ 11. $\frac{28}{16} = \frac{7}{4}$ 12. $4 \text{ to } 20 eq 1 \text{ to } 4$ 13. $\frac{4}{6} = \frac{6}{9}$ 14. $27 \text{ to } 9 eq 24 \text{ to } 4$ 15. $6…
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c. open ended describe how the graph would be different if yazmins jogg…
If Yazmin’s jogging rate (the slope of the distance - time graph) were a different constant: - If the new rate is greater than the original, the graph’s line (distance vs. time) b…
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b. does the graph show a proportional relationship? if so, what is the …
To determine if a graph shows a proportional relationship, we use the following reasoning (assuming we had a graph, for example, a line through the origin with points like (1, 2),…
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on your own 2. model with mathematics the table shows the amounts of ch…
The relationship is proportional. The equation is \(y=\frac{1}{4}x\) (or \(x = 4y\)). (For the graph: Plot points \((4,1)\), \((8,2)\), \((12,3)\), \((16,4)\) on a coordinate plan…
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3. the graph shows the distance x yazmin jogs and the amount of time y …
The point \((1, 16)\) means that Yazmin takes 16 units of time (e.g., minutes, seconds) to jog 1 unit of distance (e.g., mile, kilometer).
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citizens of color are concerned. i say to you today, my friends, that e…
- Replace "some" with "all". - Replace "fulfilled" with "not fulfilled" (or "failed to fulfill").
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*19. complete the table fraction | decimal | percent $\frac{1}{8}$ | a.…
### For #19: a. $0.125$ b. $12.5\%$ ### For #21: a. $\frac{3}{100}$ b. $0.03$
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put these numbers in order from least to greatest. 1.09 1.49 1\\frac{5}…
\(1.09\), \(1.49\), \(\frac{3}{2}\), \(1\frac{5}{8}\)
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put these numbers in order from greatest to least. 3.52, 2.05, 2.06, 5/2
$3.52$, $\frac{5}{2}$, $2.06$, $2.05$
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put these numbers in order from least to greatest. 2.11 2.05 \\frac{23}…
\(1.52\), \(2.05\), \(2.11\), \(\frac{23}{10}\)
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*18. the ratio of kangaroos to koalas was 9 to 5. if there were 414 kan…
18. 230 20. a. $\frac{9}{5}$ b. 180%
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put these numbers in order from least to greatest. 10.56 8.11 \\frac{81…
\(8.11, 9.01, \frac{81}{8}, 10.56\)
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16. what percent of a quarter is a nickel?
20%
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mismatched meanings match the definitions on the right with the terms o…
1. C 2. L 3. O 4. I 5. A 6. K 7. N 8. J 9. B 10. F 11. E 12. D 13. G 14. M 15. H
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9. -/1 points eight people arrive at the ticket counter of starlite cin…
1. $40320$ ways 2. $6400$ menus
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5. the temperature was 13°f and then dropped 5 degrees. what was the fi…
The final temperature is \( 8^\circ\text{F} \). ### Problem 6:
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put these numbers in order from least to greatest. 0.84 0.52 \\(\frac{3…
\(0.52\), \(0.84\), \(\frac{3}{2}\)
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put these numbers in order from greatest to least. 9.53, 9.85, \\(\\fra…
\(9.85\), \(9.53\), \(\frac{47}{5}\)
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7. -/1 points details my notes ask your teacher practice another a stud…
Problem 7: 36 ways Problem 8: 24 ways
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put these numbers in order from greatest to least.\\(\\frac{4}{5}\\) 0.…
\(0.89\), \(\frac{4}{5}\), \(0.09\)
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5. -/1 points in how many ways can an investor select three mutual fund…
1. 120 ways 2. 5040 ways