Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the table below shows how long a copier took to make copies. | number o…
Each additional copy \(\boldsymbol{\text{increases}}\) the time by \(\boldsymbol{7}\) seconds.
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a farmer grew a giant pumpkin for the county fair. she chose a plant wi…
33 (for weight gain per week) \( W = 33t + 42 \) (for the equation, with the first box being 33 and the second box being 42)
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peter deposited some money in a new checking account. over time, he wit…
Peter deposited \$625. The equation is \( B = -22t + 625 \).
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darell parks his car in a parking garage. the garage charges a certain …
\( C = 1.55h+6 \)
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ellie is organizing textbooks on her bookshelf. she has an english text…
24
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the image shows a handwritten math problem involving adding fractions (…
$\frac{29}{35}$
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something there is that doesnt love a wall, that sends the frozen-groun…
nature and hunters
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question a lock has a 3 - number code made up of 12 numbers. if none of…
1320
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question keshawn is organizing textbooks on his bookshelf. he has a spa…
24
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based on historical data, your manager believes that 28% of the company…
0.2216
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last month bob downloaded 6 games and 2 audiobooks on his tablet for a …
\(6x + 2y = 24\) \(3x + 5y = 33\) ### Part (b)
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14. apples at the farmers market cost $2.50 for 5 apples or $0.70 for 1…
Buying 5 apples for \$2.50 is the better buy because buying 5 single apples would cost \$3.50 (\(0.70\times5 = 3.50\)) which is more than \$2.50.
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when vlad moved to his new home a few years ago, there was a young oak …
First blank: \( 175 \) Second blank: \( 7 \)
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15. mr. spencer drives 200 miles in 5 hours. what is his unit rate?
40 miles per hour
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14 a population of paramecia, p, can be modeled using the exponential f…
A. All real numbers between 0 and 14
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the table compares the sizes (in grams) of rice packs and their cost (i…
B. No
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a kindergarten teacher bought $21 worth of stickers and cardstock for h…
We can tell the graph represents the equation by checking that the intercepts \((0,6)\) (when \(s = 0\), \(c = 6\)) and \((14,0)\) (when \(c=0\), \(s = 14\)) satisfy the equation …
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question 34 the presence of sponsors meant that no single advertiser co…
A. multiple
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find the rate of change represented by the data in the table below. \\b…
a) positive
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a grade 6 4.8 problem solving: using double number lines and tape diagr…
4
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a grade 6 4.8 problem solving: using double number lines and tape diagr…
2
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james has 848 feet of rope. there are 17 teams of hikers. if james give…
\( 49.88 \) (or exact fraction \( \frac{848}{17} = 49\frac{15}{17} \), but likely a decimal approximation. Wait, but maybe I made a mistake—wait, 17*49=833, 848-833=15, so 15/17≈0…
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what is 45% of 85? 45% of 85 =
38.25
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sawyer farm vocabulary activity questions really need that extra fuel i…
B. a food which nourishes the body
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keiko made $264 for 12 hours of work. at the same rate, how much would …
\( \$396 \)
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a grade 6 4.4 writing rates as unit rates bethany swims 112 laps in 7 d…
16
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10. leo started working for a new company that paid him $25 per hour wi…
B. 44
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at her auto shop, debra does oil changes and tire changes. the table be…
\( 12x + 24y < 60 \)
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a system of inequalities is graphed on the set of axes below. which poi…
4) (4,2) ### Second Sub - Question (Modeling Inequality Situations)
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16. \a time came when there was no one who remembered the old days befo…
To solve this, we identify the speaker of each quote from *Animal Farm*: ### 16. The quote about no one remembering before the Rebellion is from **Benjamin** (the donkey, as he’s …
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(c) find the standardized test statistic. the standardized test statist…
- (c) The standardized test statistic \(t = 0.19\) (rounded to two decimal places). - (d) Fail to reject \(H_0\) because the standardized test statistic is not in the rejection re…
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austin, the trainer, has two workout plans that he offers his clients: …
Duration of each Plan A workout: \( 1.5 \) hour(s) Duration of each Plan B workout: \( 1.25 \) hour(s)
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7.5.a25-26 use the table to answer problems 25–26. toms work schedule m…
0 hour(s) and 40 minute(s)
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use the table to answer problems 25–26. toms work schedule morning meet…
1 hour(s) and 55 minute(s)
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u.s. history 2 – study guide name jake chapter 23 – the new deal, secti…
The 3 R's of the New Deal are Relief, Recovery, and Reform. (Note: The handwritten "Reliet" is a spelling error; the correct term is "Relief".)
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make a word that means \something that happened earlier that is used as…
First row: pre - Second row: cede Third row: -ent Combined word: precedent
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1.5 mi 2 mi 5.5 mi what is the total distance the car travels? total di…
B. 9 miles total
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question john has 5 different flags that he wants to hang on the wall. …
120
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u.s. history 2 – study guide name jake chapter 23 – the new deal, secti…
The subfield is History (under Social Science).
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rachel bought cupcakes for her sisters birthday party. 25% of the 84 cu…
21
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u.s. history 2 – study guide name______ chapter 23 – the new deal, sect…
The 3 R's of the New Deal are Relief, Recovery, and Reform. - Relief: Provided immediate help to those in need (e.g., unemployed, homeless) through programs like the Civilian Cons…
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in the past, many people doubted that women could run long distances. b…
D. a model to be followed by others
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at a company meeting, there were 74 people in attendance. 50% of them w…
37
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what is 66% of 200?
132
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1) the local water slides have 85 employees, of which 40% are temporary…
34
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- decided the meaning of laws the states → how states __________ with e…
- How states \boxed{interact} with each other - must respect each other’s laws - \boxed{must extradite} \boxed{fugitives} to state where the crime was committed - States must be a…
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26 is what percent of 40?
65%
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what is 55% of 740?
407
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how do you write 94% as a decimal?
\( 0.94 \)
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what is 5% of 740?
37
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how do you write 90% as a decimal?
0.9
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a boat is carrying containers that weigh 5000 pounds each. use this inf…
For 3 containers: 15000 pounds; for 5 containers: 25000 pounds; for 6 containers: 30000 pounds. (To plot: the ordered pairs are (3, 15000), (5, 25000), (6, 30000) on the graph wit…
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at a school fair, a person can go on up to 7 rides. draw a number line …
To represent \( r\leq7 \) (where \( r \) is the number of rides, a non - negative integer) on the number line: 1. Place a closed circle at the point labeled 7 on the number line (…
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for three days, gina and tristan each made a certain number of ornament…
Gina: 12 ornaments per day Tristan: 8 ornaments per day
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how do you write 17% as a decimal?
0.17
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how do you write 0.4 as a percentage? write your answer using a percent…
\( 40\% \)
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what is 36% of 200?
72
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select the correct answer. an online retailer created an incentive prog…
C. bar graph
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at a school fair, a person can go on up to 7 rides. read the problem. w…
B. Any value less than or equal to 7 (assuming the options are labeled A, B, C, D with B being "Any value less than or equal to 7")
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what is 24% of 650?
156
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suppose that the distance of fly balls hit to the outfield (in baseball…
a. 265, 1225 b. 0.5341 c. 301.26 feet
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how do you write 72.6% as a decimal?
0.726
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the treaty of paris ended frances power in north america. this meant th…
The conflict (French and Indian War) between the French and British was led by competing territorial claims in North America (especially the Ohio River Valley), desires to expand …
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the growth of the worlds population can be described by the equation $a…
8
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3. mrs. smith bought some orange juice. each member of her family drink…
La familia bebe $1\frac{1}{2}$ (o $\frac{3}{2}$) tazas de jugo de naranja. Para la ecuación: $6 \times \frac{1}{4} = \frac{3}{2}$
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3. mrs. lopez bought some orange juice. each member of her family drink…
La cantidad total de jugo de naranja que beben es $\frac{3}{2}$ tazas (o 1.5 tazas). Para la parte a, la ecuación es $6 \times \frac{1}{4} = x$ (donde $x$ es la cantidad total).
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brayden was out at a restaurant for dinner when the bill came. he wante…
1.16
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7) paradox is a comparison that is hinted at or suggested, but not stat…
b) False ### Question 8
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nathaniel was out at a restaurant for dinner when the bill came. he wan…
1.13
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jeremy makes $4.70 every time he mows a lawn but it costs him $6.00 to …
$5.5$
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the table compares the daily average temperature in a park (in degrees …
A. Yes
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a store is selling laptops for $800 each. use this information to fill …
For the table: - 2 laptops: Cost = 1600 dollars - 6 laptops: Cost = 4800 dollars - 8 laptops: Cost = 6400 dollars For plotting: Mark the points (2, 1600), (6, 4800), (8, 6400) on …
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the population of a city decreases by 5% per year. what should we multi…
0.95
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for the numbers below, calculate the growth or decay rate 1. 1.17\t2. 1…
### Growth/Decay Rates: 1. \( 17\% \) growth 2. \( 3\% \) growth 3. \( 13\% \) decay 4. \( 24\% \) growth 5. \( 67\% \) decay 6. \( 45\% \) decay 7. \( 51\% \) growth 8. \( 10\% \…
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how do you write \\(\\frac{1}{4}\\) as a percentage? write your answer …
\(25\%\)
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percent of change answer each question. 1. sonya’s heart rate was 76 be…
75% ### Problem 2:
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irony and figurative language instructions: read each question carefull…
d) Verbal irony ### Question 2
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last year lunar drives 7000 miles. use this information to fill in the …
For 3 years: 21000 miles For 4 years: 28000 miles For 6 years: 42000 miles (To plot the ordered pairs: (3, 21000), (4, 28000), (6, 42000) on the graph with "Number of years" on th…
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3 what is the domain of the function? (a) domain: { } (b) is the functi…
\(\{4, 8, 12\}\) ### Part (b)
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anthony has a loyalty card good for a 16% discount at his local grocery…
$0.84$
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suppose that the age of students at george washington elementary school…
a. $X \sim U(6, 11)$ b. $\bar{x} \sim N(8.5, 0.2128^2)$ (or mean=8.5, variance≈0.0453) c. 0.6715
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how does honest communication improve relationships? ○ it avoids hurt f…
C. It helps people trust one another.
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ow much she would use to make 6 batches of brownies. th flour she would…
4
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amount consumed each trial amount vs time 10 9 8 7 6 5 4 3 2 1 0 1 2 3 …
B. A changing amount is eaten.
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students in the 7th, 8th, and 9th grade were asked whether they prefer …
7th grade: 30, 8th grade: 30, 9th grade: 40 (or other combinations that sum to 100, like 20, 30, 50)
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a random sample of adults are asked about their preferences for games. …
2 Players - Board Games: 50 2 Players - Card Games: 18 3 or More Players - Board Games: 16 3 or More Players - Card Games: 38 (In the two - way table, fill the boxes with these va…
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david’s car has a defective odometer. when he drives to the mall, the o…
10.67%
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persuasive language lets focus on ethos effect on the audience: it is a…
### Task One: 1. Ethos? Yes; Explain: Uses fatherly role for credibility. 2. Ethos? No; Explain: Anonymous source, no credibility. 3. Ethos? Yes; Explain: Cites Harvard professors…
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this two - way table shows the results of asking students if they prefe…
a. 100 students b. 18 students c. 38 students d. 55 students
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jabari works at a movie theater and estimates that 104 people attend th…
\( 13.33\% \)
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10) which of the following statements about a pun is correct? a) a pun …
b) A pun is a joke exploiting the different possible meanings of a word or the fact that there are words that sound alike but have different meanings. ### Question 11
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jaquan measures the length of his school’s football field, which is exp…
1.00%
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last year, there were 183 pies baked for the bake sale. this year, ther…
\( 183 + c \)
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question 16 \\(\\frac{5}{50} \\div \\frac{15}{30}\\)
\(\frac{1}{5}\) (Note: If this is not in the options, recheck the problem. But based on calculation, the result is \(\frac{1}{5}\).)
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janiece buys a bag of candy and before she opens it, she guesses that t…
11.11
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question john has 5 different flags that he wants to hang on the wall. …
120
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17. check for reasonableness in the past, juana’s father rode his bike …
Juana's time \(y = \frac{112}{18}\approx6.22\) hours. Father's time is 7 hours, mother's is 8 hours. Since \(6.22\) is closer to \(7\) (the difference between \(6.22\) and \(7\) i…
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income taxes reduce the amount of money that an employed individual bri…
Taxes reduce individuals' net income, Sales taxes reduce many consumers' buying power
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a school principal expects 420 parents to attend the school’s open hous…
7.14
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b. is the quotient less than or greater than the dividend? explain. the…
If the divisor (number of groups/rolls) is greater than 1, the quotient is less than the dividend. If the divisor is between 0 and 1, the quotient is greater. From the context (12…