統計と確率
データ分析、確率分布、仮説検定、統計手法。
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the teen environmental action club found that retailers in the communit…
50560
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6. which of the following are examples of fairness in data analysis? se…
Making sure a sample population represents all groups Considering systematic factors that may influence data Picking and choosing which data to include from a dataset Factoring in…
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distribution channels involve what important aspects of a business? sel…
B. The intermediaries required to move a product or service C. The processes involved in delivering a good or service
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sports wanda is the manager for the soccer team. one of her duties is t…
B) \(f(n)=128+(n - 1)(-4)\) ### Part b
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2. pose your own question: use one of the question stems below to pose …
I wonder why the author chose to create a society without colors in *The Giver*?
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5. seventy - four million is how much less than one billion? use words …
Nine hundred twenty - six million
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frequency expressions siempre always nunca never a veces sometimes what…
B. siempre (assuming the options are labeled with A, B, C as A. nunca, B. siempre, C. a veces)
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mariela earned the following test scores in math: 95, 90, 100, 85, 80 m…
- Before the error, the mean and the median were both 90. - The error added an outlier to the data set. - After the error, the mean was 75 and the median was 87.5. - The mean was …
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we have a deck of 10 cards numbered from 1 to 10. some are grey and som…
\( \frac{3}{5} \) ### Part (b)
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3. the teen environmental action club expected to make 34.5% profit on …
The club's profit is \(\$7420.95\)
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emma was given three numbers: 7, 2, and 3. she needs to use two of thes…
Yes, she can. For example, the fraction $\frac{7}{2}$ (or $\frac{7}{3}$, $\frac{3}{2}$ etc.) is greater than $\frac{5}{6}$.
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1. great-grandma celebrated her seventy-fifth birthday in 2007. in what…
1932 ### Problem 2:
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ben and cam are scuba diving. ben is 15 meters below the surface of the…
-11
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1. calculate the following amounts. a. $5\\frac{1}{2}\\%$ of 400 b. $\\…
1a. 22 1b. 30 1c. 3600 2a. 22.4 2b. 150 2c. 110.7
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a computer program models a forest. a sprite of a coati is 234 pixels t…
B. The sprite of the coati ends 61 pixels to the left of the edge of the screen.
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the amount of water in a barrel decreased 9\\frac{5}{8} pints in 7 week…
The change in the amount of water after 12 weeks is \(16\frac{1}{2}\) pints (or \(\frac{33}{2}\) pints).
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8 the amount of water in a barrel decreased 9^(5/8) pints in 7 weeks. t…
\( 16\frac{1}{2} \) pints (or \( \frac{33}{2} \) pints) ### Problem 10: (Assuming the question is to find the time to lose \( 5\frac{1}{2} \) pounds as the text seems cut off, but…
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omar’s family is moving to another town. the equation $c = 0.59m + 154$…
7
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1. ryan delivers flowers to customers. he drives for 12 minutes at an a…
20.5 miles ### Problem 2
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shelley has 16 stickers. she splits them evenly among e envelopes. writ…
\( \boldsymbol{\frac{16}{e}} \) (or \( 16 \div e \))
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yesterday morning, c baby chicks hatched. another 4 chicks hatched late…
\( 2 + 4 \) (or if the morning number is different, adjust, but based on the icon, likely 2 + 4)
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find the mean, median, and mode of the set of values. | age (years) | f…
15.42
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evan drew 8 pictures. alexa drew p fewer pictures than evan. write an e…
\( 8 - p \)
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11. choose the true statements about the sixth amendment to the united …
A. It gives citizens the right to a speedy and public trial. C. The jury must be impartial, which means that jurors are not prejudiced, or influenced, against the defendant. D. A …
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watch video: https://www.youtube.com/watch?v=8gbjzuhzui0 univariate var…
1. Quantitative 2. Categorical 3. Two - way 4. Joint 5. Marginal
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10. choose the true statements about the fifth amendment to the united …
B. It protects those accused of a crime from double jeopardy, which means putting a person on trial more than once for the same crime. D. It states that the government must follow…
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9. the ratio of pizza slices to tacos was 7 to 8. if there were 96 taco…
84
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7. choose the true statements about the second amendment to the united …
B. It was created due to colonial American’s preference for volunteer militias over standing armies. D. The meaning of the Second Amendment has been much debated.
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10. complete the table of equivalent ratios. herefords 15 9 holsteins 1…
The completed table has Herefords values (from left to right) 15, 12, 9, 30 and Holsteins values (from left to right) 20, 16, 12, 40.
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8. solve: \\(\\frac{9}{10} = \\frac{x}{38}\\)
$x = 34.2$
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6. choose the true statements about the freedom to petition, which is p…
A. In the Bill of Rights, the freedom to petition means all citizens can make complaints to the government., D. Americans have the right to present requests to the government with…
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7. lilly read 3 pages in 5 minutes. at that rate, how many pages could …
6.6 (or $\frac{33}{5}$)
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theo and chey bought twice as many pounds of strawberries than pounds o…
Apples (lb), \( x \): 3 Strawberries (lb), \( y \): 6
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3. does the graph show a proportional relationship? if so, find the con…
Yes, the graph shows a proportional relationship. The constant of proportionality is \(\frac{1}{4}\) (or \(0.25\)).
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2. find the c.o.p. of this table: | x | y | |----|----| | 0 | 0 | | 2 |…
The constant of proportionality (C.O.P.) is \( 7.5 \) (or \( \frac{15}{2} \)).
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choosing the right word select the boldface word that better completes …
1. farce 2. vetoed 3. dilapidated 4. lavished 5. futile 6. clutter 7. surplus 8. pamper 9. lair 10. timidity 11. notorious 12. lavish 13. clutter 14. bellowing 15. dismantle
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a dog groomer can bathe five dogs in one hour. how many could she bathe…
4 dogs
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members of a junior high basketball team want to brag about how tall th…
The team's mean height is \( 68 \). The team's median height is \( 66 \). If the team members want to brag about how tall they are, they should use their mean height.
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7. a herd of 100 caribou was moved to a new location. the population in…
The population after the second year is 132. ### Part (b)
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5. an axe is used to chop down a tree 10 cm wide. the axe must be moved…
8
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baked goods sold which variable does the y - axis represent? a number o…
C. Number of baked goods sold
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2 you can find an explanation of what a graphs symbols mean in the: a k…
A. Key
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1 graphs are tools that help: a organize data b perform calculations c …
A. Organize data
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4. lisa charges $25 for private tutoring and $18 for group tutoring. in…
Private tutoring: 7 students, Group tutoring: 5 students
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a zoo has 72 animals. 18 are birds and another 17 are reptiles. how man…
37
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for each table, determine whether it shows that x if x and y are propor…
Not proportional
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select the correct answer from each drop-down menu. rita is planting sa…
When Rita started, she had at most 7 packages of saplings. The solution can be represented as a closed circle at 7 with an arrow to the left (since \( x \leq 7 \) means all values…
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data analysis and probability interpreting a box-and-whisker plot: prob…
s: (a) \(\boldsymbol{25}\) (b) The number of waves she surfed was above 32 on more days than it was below 32. (c) 49 to 60
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round 1,478,327 to the nearest... 100: 1,000: 10,000:
100: 1,478,300 1,000: 1,478,000 10,000: 1,480,000
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for each equation decide whether it is proportional or not. then explai…
- 8) yes; Explanation: \( y = 5x \) is \( y = kx \) (no constant, passes through (0,0), constant ratio). - 9) no; Explanation: \( k = 3i + 7 \) has constant term 7, not \( y = kx …
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2. el mamífero más lento en la tierra es el perezoso de árbol. se mueve…
Sí, la distancia (en pies) que se mueve el perezoso es proporcional al tiempo (en minutos) que se mueve, porque la razón \( \frac{\text{distancia}}{\text{tiempo}} \) es constante …
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name: wednesday round 1,478,327 to the nearest... 100: 1,000: 10,000: c…
Redondeo a 100: 1,478,300 Redondeo a 1,000: 1,478,000 Redondeo a 10,000: 1,480,000 Diferencia: 28,906 Suma: 967,848 Cociente: 602 (o 602.29) Producto: 53,286 Sillas totales: 576 (…
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height number of plants 14\\frac{1}{2} in 14\\frac{3}{4} in 15\\frac{1}…
To graph: - Above \( 14\frac{2}{4} \) (i.e., \( 14\frac{1}{2} \)): 7 dots. - Above \( 14\frac{3}{4} \): 3 dots. - Above \( 15\frac{1}{4} \): 4 dots. - Above \( 15\frac{2}{4} \) (i…
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i-ready where we wanted. that meant everybody passing by could see us. …
leave the school
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i-ready where we wanted. that meant everybody passing by could see us. …
First blank: angry (selected option). Second blank: dragged out of school (from the text context, as parents "dragged their children out of the school" after seeing Ruby).
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a jewelry store has 31 diamond necklaces, 10 ruby necklaces, and 27 eme…
68
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robert counted all the dinosaurs in his toy dinosaur collection. he had…
99
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barry went bird watching at the coast. he saw 65 ducks, 16 geese, and 1…
91
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find the sum. 61,009 + 3,477 find the product. 278 × 49 jose had 54 coo…
64486 13622 28 10578
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compare simple and compound ms. tamney and mrs. enderle each deposit $5…
Mrs. Enderle will earn more interest. The total interest for Ms. Tamney (simple) is $750$, and for Mrs. Enderle (compound) is $788.125$ (or calculated as above). The difference is…
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comprehension questions. (cite evidence from text in your answer) how d…
To answer these questions, refer to the relevant text (e.g., Lord McCartney's letter or related document) to find evidence. For example, for "How does Lord McCartney characterize …
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paul went on a trip around europe. first, he spent 3 days in england an…
49
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jackie has a cube with the numbers 1 – 6 on the sides. what is the prob…
$\frac{2}{3}$
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5 there are two payment options for downloading movies from a web site …
(Part b): At both places, the cost of downloading \(\boldsymbol{10}\) movies is \(\boldsymbol{\$50}\).
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10. gas mileage is the number of miles you can drive on a gallon of gas…
1657.5 miles
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2) susie was saving for a new ipod. her dad gave her $20 for her birthd…
no; because the relationship has a y - intercept (starts with \$20) and the ratio of money to time is not constant. ### Problem 3
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1) tommy was jumping down his sidewalk. he made two jumps every 3 secon…
Yes. Because the number of jumps (\(j\)) and time (\(t\)) follow \(j = \frac{2}{3}t\), where the ratio \(\frac{j}{t}=\frac{2}{3}\) (constant), satisfying proportional relationship.
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8. jason worked for the summer (12 weeks) at an amusement park. he earn…
Jason was paid $988 every month.
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if you have 12 chocolate cupcakes and 18 vanilla, what is the greatest …
6
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7. there was a blizzard. snow was falling at a rate of 4 ½ inches per h…
The time it takes for 5 feet (60 inches) of snow to accumulate at a rate of \(4\frac{1}{2}\) inches per hour is \(\frac{40}{3}\) hours (or approximately 13.33 hours).
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8. jason worked for the summer (12 weeks) at an amusement park. he earn…
Jason was paid $988 every month.
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jonathan has 238 stickers to give to the kids in his club. there are 9 …
4
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thursday 11 11 17 19 15 8 use the data table to determine the following…
Mean: \( 13.5 \) Median: \( 13 \) Mode: \( 11 \) Range: \( 11 \)
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at summer camp, some people collected pine cones. finding pine cones ho…
15
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____ is 40% of 200
80
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6. jenny can send texts on her phone at the rate of 32 words per minute…
It would take her 20 minutes.
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5. mats walked three - quarters of a mile in fifteen minutes. what was …
3 miles per hour
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5 tyler needs at least $205 for a new video game system. he has already…
Inequality: $30 + 7h \geq 205$ Solution: $h \geq 25$ Interpretation: Tyler needs to work at least 25 hours.
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lesson 2 extra practice use trend lines to make predictions 1. the tabl…
The number of attendees in the tenth year is 1830. ### Problem 2b:
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grade 7 percentages worksheet section a: multiple choice 1. what is 25%…
c) 20 ### Question 2: Which fraction is equal to 60%?
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the accompanying table shows the value of a car over time that was purc…
# Explanation: ## Step1: Recall exponential regression formula The general form of an exponential regression equation is \( y = ab^x \), where \( a \) is the initial value (when \…
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.28(1500) 1000(.31)= 1000(.17)=...
For \(.28(1500)\): \(420\) For \(1000(.31)\): \(310\) For \(1000(.17)\): \(170\)
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in art class students are mixing black and white paint to make gray pai…
Allison’s percent of white paint (to nearest whole number) = $\boldsymbol{67}\%$ Alexander’s percent of white paint (to nearest whole number) = $\boldsymbol{65}\%$ Allison’s gray …
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the accompanying table shows the value of a car over time that was purc…
# Explanation: ## Step1: Recall Exponential Regression Formula The general form of an exponential regression equation is \( y = ab^x \), where \( a \) is the initial value (when \…
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ryan has 5 pairs of pants, 3 shirts, and 3 sweaters. make a tree diagra…
The tree diagram is constructed with 5 pant nodes at the first level, 3 shirt nodes branching from each pant node at the second level, and 3 sweater nodes branching from each shir…
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in art class students are mixing blue and red paint to make purple pain…
Travis' percent of red paint (to nearest whole number) = \(78\%\) Ellie's percent of red paint (to nearest whole number) = \(69\%\) Travis' purple paint will be redder.
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14 21 64 96 26 39 1 1.5 b. write an equation that represents the relati…
$y = \frac{3}{2}x$
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the number of newly reported crime cases in a county in new york state …
The linear regression equation is \(y = 27.7x + 885.7\) and the projected number of new cases for 2024 is \(\boxed{1218}\)
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the number of newly reported crime cases in a county in new york state …
Linear regression equation: \( y = -8.1x + 844.4 \) Projected number of new cases for 2014: \( 780 \)
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the table gives some sample data for two quantities, x and y, that are …
For \( x = 64 \), \( y = 96 \); for \( y = 39 \), \( x = 26 \); for \( x = 1 \), \( y = 1.5 \) (or \( \frac{3}{2} \)). So the completed table values (from top to bottom for the em…
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candy corn: love it or hate it? your turn answer the questions using th…
C. 44%
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the number of newly reported crime cases in a county in new york state …
The linear regression equation is \( y = - 30.0x+1048.8 \) and the projected number of new cases for 2026 is \( 689 \)
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4. a researcher found that the sea level rose \\(\frac{1}{5}\\) of a ce…
D. \( \frac{3}{10} \) centimeter per year
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6. find the quotient. 254.7 ÷ 9 28.3
28.3
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in art class students are mixing blue and red paint to make purple pain…
Arianna’s percent of blue paint = 55% Mamadou’s percent of blue paint = 54% Arianna’s purple paint will be bluer.
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4. brooklyn increased the amount of water she drank per day from 32 oz …
C. 25%
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question sofia has a collection of 200 coins. how many coins represent …
40
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1100 students attend ridgewood junior high school. 5% of students bring…
55
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noredink lq 16: clauses with colons & semi colons question 11 of 20 fix…
Rosa Diaz and I, meanwhile, practiced our cartwheels in the hallway.
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stacy is baking for the holidays. she is going to make 2 chocolate pies…
A. \(3\frac{5}{8}\) cups (assuming option A is \(3\frac{5}{8}\) cups as per calculation)