Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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1. the author views gaming in the point essay as something that improve…
s: 3. Gaming is considered positive because it improves communication and brings people together. The author states in par. 3 that gaming helps people connect (or similar relevant…
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gaming communities page 568 think questions 1. the author views gaming …
To answer these questions, we would need access to the full text of the essays (specifically the paragraphs mentioned: par. 3, par. 14, par. 6, par. 14 again) to gather the necess…
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31) researchers for a humanitarian group determined that the percent of…
\( 68 < 1.7x + 42.5 < 85 \) (the corresponding option) ### Problem 32 (Scatter Plot - Height and Graduation Rate)
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3 max travels by car to see his brother’s family. he drives 216 miles i…
Max's rate is 54 miles per hour. He will not be able to reach the town in 4 hours if he makes two 10 - minute stops.
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determine whether the table or equation represents a linear or nonlinea…
linear The table represents a linear function because the ratio of the constant change in $y$ to the constant change in $x$ is consistent (a constant slope of $-10$) across all pa…
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2 a garden hose supplies 36 gallons of water in 3 minutes. use a table …
The garden hose supplies 120 gallons of water in 10 minutes.
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nehemiah wants to create a function to represent the change in his inco…
The predicted value of Nehemiah's income in month 6 is \( \$3630 \). ### Part 2: Residual Value for Month 6
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
A vertical intercept of 10 tells us that when there are 0 marbles in the cylinder, the volume is 10 milliliters.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
10
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
The volume increases 2 mL for every 1 marble added.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
2
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select the text from the paragraph that best helps you understand that …
- "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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read the passage and then answer the question. scientists have found th…
skillful
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
Plot the point at the intersection of $x=1$ (horizontal axis) and $y=12$ (vertical axis) on the provided grid.
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select the text from the paragraph that best helps you understand that …
- "people who grow up hearing only one language at home" - "monolingual counterparts"
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owners of a recreation area are filling a small pond with water. let y …
s: (a) The starting amount of water in the pond is $\boldsymbol{300}$ liters. (b) The change per minute in the amount of water in the pond is $\boldsymbol{29}$ liters.
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select the text from the paragraph that best helps you understand that …
"dazzling curtains of colorful light"
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complete the chart by converting each number to a percent, fraction, an…
Decimal: \( 3.125 \), Percent: \( 312.5\% \) ### 35.
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read the passage and then answer the question. at high latitudes, one m…
shining
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debra is putting money into a checking account. let y represent the tot…
### Part (a) # Explanation: ## Step1: Identify the slope-intercept form The equation of a line in slope - intercept form is \(y = mx + b\), where \(m\) is the slope (rate of chang…
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select the text from the paragraph that best helps you understand that …
to support its life cycle
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find each percent of a number. 30% of 40 15% of 38 50% of 86 75% of 160…
12 ### 2. 75% of 160
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define sets u, a, b, and c as shown below. find (a∪b∪c). u = {a, b, c, …
B. $(A\cup B\cup C)' = \emptyset$
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the table shows the height, in centimeters, of the water in a swimming …
Yes, the height of the water increases by the same amount (0.5 cm) each minute. We know this by calculating the difference in height between consecutive minutes (150.5 - 150 = 0.5…
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select the text from the paragraph that best helps you understand that …
- A typical human baby is born with around 300 bones, but by the time that baby reaches adulthood, it will have only 206. - shouldn't a skeleton need more bones, not fewer, as it …
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understanding rate concepts 1 it takes maya 30 minutes to solve 5 logic…
Maya would finish first because she takes 6 minutes per puzzle while Amy takes 7 minutes per puzzle, so Maya's solving rate is faster.
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michael is on a train trip to treevale city. the train is traveling at …
(for part a rate): 47 ### Part (b)
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find each percent of a number. 39. 30% of 40 40. 15% of 38 41. 50% of 8…
12 ### Problem 40: 15% of 38
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read the passage and then answer the question. a typical human baby is …
C. decrease
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select the text from the paragraph that best helps you understand that …
"Fiorentine priests solicited the general public for solutions to the dome problem" and "A number of leading architects submitted ideas" (the first sentence shows the priests aske…
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select the correct answer. which of these sentences about the status of…
C. Marriage was the only means for women to gain social mobility.
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select the text from the paragraph that best helps you understand that …
"increasing the risk of heart failure and other health problems"
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select the correct text in the passage which of these examples from jan…
The manner in which they spoke of the Meryton assembly was sufficiently characteristic. Bingley had never met with more pleasant people or prettier girls in his life; everybody ha…
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exercise 2.5 round to the nearest whole number. 1. 29.05 2. 135.9 3. 0.…
1. 29 2. 136 3. 0 4. 20.0 5. 1.0 6. 200.0 7. 1.23 8. 0.98 9. 345.10 10. 3.000 11. 1367.098 12. 0.986
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at a gas station, the price of gas is 4 dollars per gallon. the graph b…
Each additional gallon adds $4 to the total cost.
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given the following sets, find the set $(a cup b) cap c$. $u = \\{1, 2,…
A. $(A \cup B)' \cap C = \{1, 2\}$
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which statements below are true for the function rule f(x) = 12 - 2x? t…
To determine the true statements, we analyze each one using the function \( f(x) = 12 - 2x \), where \( x \) is the number of days passed. ### Statement 1: At the start of Day #6,…
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what does the vertical intercept represent in this situation? the point…
The point (0, 6) means that it costs $6 to rent the scooter for 0 hours. In other words, it costs $6 just to pick up the scooter.
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the price of bread has been increasing over the last month. brian belie…
0.09
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whats another way we can write the vertical intercept? total cost (in d…
6
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what is the vertical intercept? in other words, at what point does the …
The line crosses the vertical axis at the point $(0, 6)$.
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audrina wants to collect stickers. she starts her collection with 15 st…
had 15 stickers in her collection to start.
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a rock is dropped from a bridge over a river. which table could represe…
Table B (with time (seconds) 0, 1, 2, 3 and distance fallen (feet) 0, 16, 64, 144)
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a graph of the number of math doctoral degrees and the number of scienc…
Even though the correlation is strong, it cannot be determined whether or not there is causation.
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audrina wants to collect stickers. she starts her collection with 15 st…
The point (0, 15) means that Audrina had 15 stickers in her collection after 0 months.
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practice problems 2.5 round to the nearest whole number. 1. 49.16 2. 87…
1. $49$ 2. $88$ 3. $1$ 4. $151.3$ 5. $7.9$ 6. $64.0$ 7. $5.35$ 8. $0.90$ 9. $211.04$ 10. $7.000$ 11. $2485.076$ 12. $1.990$
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diego is painting the walls of his house. he paints 8 square meters eve…
Slope value: $8$ Correct interpretation: Every hour, he paints 8 more square meters.
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diego is painting the walls of his house. he paints 8 square meters eve…
8
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click for long desc which of the following statements best describes th…
C. The graph illustrates a strong positive correlation between the data.
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what is the correlation coefficient of the following data? is it a stro…
0.97300135; strong
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correlation coefficient quick check interpret the following correlation…
Weakest to strongest: $0.69846237$, $0.72643969$, $-0.89234651$, $-0.99872348$
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7. 0.48 , 2.4 = 8. 156 , 0.78 =
7. $0.2$ 8. $200$
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find the correlation coefficient of the following linear equation using…
1.00
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this table displays the relationship between two variables, x and y, sh…
B. 0.94
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a baseball travels ( d ) meters ( t ) seconds after being dropped from …
s: 1. The completed table is: | \( t \) (seconds) | 0 | 0.5 | 1 | 1.5 | 2 | |-------------------|-----|-----|-----|------|-----| | \( d \) (meters) | 0 | 1.25| 5 | 11.25| 20 | (Fo…
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question 10 subtract ( 9.5 \times 10^{9}-5.2 \times 10^{4} ) to type an…
9.499995x10^9
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a non - linear function\ aniyahs graph on the previous page showed that…
This is a non - linear function because the rate of change (the number of shipments per new employee) is not constant. As the warehouse gets more crowded with new employees, each …
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question 9 add 5.6 x 10^8 + 8.2 x 10^2 to type an exponent use the care…
$5.60000820 \times 10^8$ (or 5.60000820^8 in the required caret format for exponents)
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ivan is adding water to a swimming pool at a constant rate. the table b…
The rate at which the amount of water in the pool is increasing is 11 gallons per minute. ### Part (b) - Initial Amount of Water
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1. 0.6, 5 = 2. 28, 7 = 3. 14, 20 = 4. 0.54, 12 = 5. 75, 40 = 6. 1.44, 1…
1. $0.12$ 2. $4$ 3. $0.7$ 4. $0.045$ 5. $1.875$ 6. $0.12$
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question 7 divide $6.4 \\times 10^{-6} \\div 2.2 \\times 10^{-2}$ to ty…
$2.91 \times 10^{-4}$ (or formatted as 2.91e-4 / 2.91^-4 as per the caret instruction)
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question 8 divide 8.4 x 10^-4 ÷ 4.2 x 10 ^-2 to type an exponent use th…
$2 \times 10^{-2}$ (or $0.02$)
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the output of aniyahs linear function as you can see from aniyahs graph…
90
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passage from page 70: \in sheer malignity, thinking to set back our pla…
1. D. retribution 2. C. describing the animals' tireless work and the pigs' comfortable living conditions.
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6 on friday night, 100,000 + 7,000 + 300 + 80 + 9 people attended a con…
D. \(107,389 < 110,432\) ### Question 7
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aniyah’s shipping function rule aniyah wondered how many shipments 5 em…
Aniyah's function needs input (number of employees) to have a value to apply its rule (multiplying by 60) and calculate the number of shipments. Without the input, there’s no data…
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a farmer plants wheat and corn. it costs about $150 per acre to plant w…
The solution to \( w + c < 1200 \) is the region below the dashed line \( w + c = 1200 \) (with intercepts at \( (1200, 0) \) and \( (0, 1200) \)) and containing the origin. ### Q…
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which of the following is a possible r value for the graph? 0.98 0.74 0…
0.98
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which r value shows the strongest correlation? -0.98 -0.20 -0.25 -0.75
-0.98
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mr. greenman asked his class to write fractions on their tablets. the s…
(Question 4): D. None of the tablets combine to make a sum of $\frac{11}{16}$. (Wait, but maybe I misread the fractions. Alternatively, if the fractions are $\frac{3}{16}$, $\frac…
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isabelle sells corn at her familys produce stand. on saturday, isabelle…
Number of Ears of Corn Sold (Part): 13, 52, 65 Total Number of Ears (Whole): 20, 80, 100
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a function rule aniyah owns a shipping company. she wants to calculate …
The function rule is \( y = 60x \) (where \( x \) is the number of employees and \( y \) is the number of shipments).
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the circumference of a regulation discus used in the men’s olympic trac…
\( |x - 691.15| = 3.15 \)
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a pharmaceutical company wants to conduct a survey of 30 individuals wh…
A. Group the individuals by common primary care physician. For each group, assign all the individuals different numbers, and use a random number table to select an appropriate num…
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ava is running in a race from city square to city park, which is 30 blo…
50
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13. peter’s promoting is organizing a concert. the cost of the venue an…
### Part (a) # Explanation: ## Step1: Substitute \( n = 10 \) into \( p = 300n - 15000 \) \( p = 300\times10 - 15000 = 3000 - 15000 = -12000 \) ## Step2: Substitute \( n = 20 \) i…
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the survey has bias. (a) determine the type of bias. (b) suggest a reme…
(a) Nonresponse bias (b) A. The polling organization should try contacting households that do not respond by phone or face-to-face.
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the owner of a shopping mall wishes to expand the number of shops avail…
(a) B. Sampling bias (b) C. Ask customers throughout the day on both weekdays and weekends.
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the table shows the values of $4^x$ and $100x^2$ for some values of $x$…
Exponential functions (like \(4^x\)) grow by a multiplicative factor (here, ×4 per \(x\)-increase), while quadratic functions (like \(100x^2\)) grow by a polynomial (quadratic) ru…
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what is the geometric mean of 2 and 6? (simplify your answer. type an e…
\(2\sqrt{3}\)
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8 books cost $19.60. which equation would help determine the cost of 10…
D. \(\frac{10}{8}=\frac{\$19.60}{x}\)
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6. during a certain period of time, about 70 northern sea otters had an…
1. Number of sea otters after 4 years: $\approx 136$ 2. Population of fish after 10 years: $\approx 4309$ 3. Value of the home today: $\approx \$424,528$
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at volleyball practice, coach smith always sets aside 80% of the total …
90 minutes
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5 markers cost $6.55. which equation would help determine the cost of 4…
D. \( \frac{4}{x}=\frac{\$6.55}{5} \)
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3. daniels print shop purchased a new printer for $35,000. each year it…
3. The approximate value of the printer after 8 years is $\$23,219$ 4. The population of the school after 9 years is approximately 956 students 5. The value of the car after 3 yea…
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3 folders cost $2.91. which equation would help determine the cost of 2…
B. \(\frac{2}{x}=\frac{3}{\$2.91}\)
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a construction crew is lengthening a highway as part of a project. the …
$y=10x+20$
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20 write a fraction comparing the shaded to the total
$\frac{0}{10}$ or $0$ *(Note: If shaded parts were missing from the image, please clarify the shaded sections. Based on the visible drawing, no regions are shaded.)*
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a machine at a bakery contains flour. when the machine is turned on, it…
$y = -150x + 600$
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a rock climber is rappelling straight down a cliff. the table below sho…
$y=-4x+16$
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write 0.789 as a fraction in simplest form.
$\frac{789}{1000}$
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#12 listen describe the relationship between the time and the balance o…
As time increases, the loan balance stays constant, then decreases instantly, then decreases slowly at a constant rate, then decreases at a constant rate. (Filling the blanks with…
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2. the population of a town is 2500 and is decreasing at a rate of 3.5%…
Approximately 2091 (rounded to the nearest whole number, since population is a whole count)
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9. \\begin{array}{r} 0.4 \\\\ \\times 0.04 \\\\ \\end{array} 10. \\begi…
9. $0.016$ 10. $8.46$ 11. $0.09$ 12. $0.79864$
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1. the function ( g(x) = |0.05x - 0.85| + 1.77 ) models the gas price, …
The number of weeks \( x \) is \( \boldsymbol{2} \) or \( \boldsymbol{32} \) (If we consider the context of the time period from January 6, 2020 to August 24, 2020, both \( x = 2 …
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use <, >, or = to compare the following numbers. -1 -10 -7 -6 6 -3
-1 > -10 -7 < -6 6 > -3
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4. el treinta y cinco por ciento de los habitantes encuestados estaban …
A. 780
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17. ten and two tenths 18. four hundred one and four ten - thousandths …
17. $10.2$ 18. $401.0004$ 19. $5208.1$
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10. 4,002 ten - thousandths 11. two and five hundredths 12. thirteen an…
10. $0.4002$ 11. $2.05$ 12. $13.00002$ 13. $1003.0002$ 14. $55.50$ 15. $1.14$ 16. $11004.012$
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7. 3 hundredths 8. 10 thousandths 9. 132 ten - thousandths
7. $0.03$ 8. $0.01$ (or $0.010$) 9. $0.0132$