统计与概率
数据分析、概率分布、假设检验与统计方法。
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click on the boxes of all numbers that are smaller than 3.4 □ 3.43 □ 3.…
☑️ 3.389 ☑️ 0.088 ☑️ 2.89 ☑️ 3.08 ☑️ 3.0088
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follow the instructions below. (a) rewrite the decimal in the sentence …
(a) Percent: $87\%$ (b) Decimal: $0.085$
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follow the instructions below. (a) rewrite the percentage in the senten…
(a) 0.7 (b) 7.4
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the price of an item has been reduced by 95%. the original price was $1…
$\$0.75$
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round the following numbers to the nearest hundredth: 0.202 → 13.998 → …
0.20 14.00 68.60 0.02 8.44 $15.08 $0.02
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you got the last problem right - keep it up! round the following number…
16.4 0.6 45.0 0.7 77.0 33.3
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rita wants to paint the ceiling of her restaurant. the ceiling is in th…
5 cans
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round the following numbers to the nearest tenth: 28.98 → 0.454 → 78.9 …
29.0 0.5 78.9 8.5 0.3 3.0
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22. what is the meaning of the political cartoon? 23. what is the meani…
The political cartoon likely depicts the struggle between the working class (or common people) and the wealthy/capitalist elite, symbolizing issues like labor - capital conflict, …
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the price of an item has dropped to $99 today. yesterday it was $180. f…
45%
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dans chocolate bar is 78% cocoa. if the weight of the chocolate bar is …
45.2 grams
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a file that is 264 megabytes is being downloaded. if the download is 12…
33.3 megabytes
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this year mary watched 60 movies. she thought that 54 of them were very…
90
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21. what is the meaning of the political cartoon?
The political cartoon depicts Standard Oil Company (a monopoly) using its power (represented by the tentacle - like pipes) to control various economic sectors, businesses, and pos…
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lesson 4: money and debts goals: - i understand what positive and negat…
1. positive 2. negative 3. deposit 4. withdrawal 5. debt 6. negative 7. For the final table row: $\boldsymbol{-100 + (\text{deposits and withdrawals value})}$ (if a specific value…
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the graph shows the average speed of two cars on the highway. a. what d…
a. After 2 hours, one car has traveled 120 miles. b. After 1.5 hours, the other car has traveled 67.5 miles. c. The ratio represents the average speed of the corresponding car (in…
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graph the data. find the numerical value of the slope and interpret it …
The numerical value of the slope is 3. This means that for every 1-yard increase, the number of feet increases by 3 (1 yard equals 3 feet). For graphing: Plot the points (1, 3), (…
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elsa is running for president of the chess club, and she received 9 vot…
36%
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martina has completed 10 deliveries so far this week. she needs to make…
50
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write 82.5% as a fraction in simplest form.
\( \frac{33}{40} \)
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problem 6 complete the tape diagram to represent and solve the problem.…
\(\frac{4}{3}\)
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write 82.5% as a fraction in simplest form.
$\frac{33}{40}$
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write 2.8% as a fraction in simplest form.
$\frac{7}{250}$
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write 32.5% as a fraction in simplest form.
$\frac{13}{40}$
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problem 2 \\(\\frac{2}{3}\\) cups of apple chips fill \\(\\frac{1}{4}\\…
$\frac{2}{3} \div \frac{1}{4}$ ### Part 2: Evaluate the expression
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an item on sale costs 80% of the original price. if the original price …
$32$
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each student in a school was asked, \what is your favorite color?\ the …
(a) Pink (b) 20%
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(c) based on your answers above, compare the numbers below using <, >, …
$0.15 < 25\%$ $\frac{3}{20} > 0.1$
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plot \\(\\frac{3}{20}\\) and 25% on the number line.
- Mark $\frac{3}{20}$ at the tick labeled 0.15 on the number line. - Mark 25% at the tick labeled 0.25 on the number line.
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read the underlined statement on page 3. which best explains how roosev…
Roosevelt reminds his readers that in any profession, people will use sensationalism to make money.
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complete the parts below. (a) fill in the blanks. write \\(\\frac{3}{20…
Write $\frac{3}{20}$ as a decimal: $0.15$ Write $25\%$ as a decimal: $0.25$
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(c) based on your answers above, compare the numbers below using <, >, …
$\frac{3}{5} > 0.55$ $55\% > 0.5$
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(b) plot \\(\frac{3}{5}\\) and 55% on the number line. number line from…
- Plot $\frac{3}{5}$ (which equals 0.6) at the tick labeled "0.6" on the number line. - Plot 55% (which equals 0.55) at the tick labeled "0.55" on the number line.
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review the paragraph that begins on page 5 and continues to page 6. whi…
By describing the absence of conventionality, he introduces the idea that opening art to new forms of expression makes modern art a positive development.
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(b) plot \\(dfrac{1}{10}\\) and 25% on the number line. number line fro…
- $\frac{1}{10}$ is plotted at the tick marked **0.1** on the number line. - $25\%$ is plotted at the tick marked **0.25** on the number line.
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c. assuming that growth is exponential, complete the table. \td. write …
### Completed Table: | $t$ | $z(t)$ | |-----|--------| | 0 | 5 | | 1 | 15 | | 2 | 45 | | 3 | 135 | | 4 | 405 | ### Exponential Model: $z(t)=5 \cdot 3^t$
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fill in the blanks. write 25% as a decimal. write $\frac{1}{10}$ as a d…
0.25 0.1
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a table of values is given for the number of zombies in a town ( z(t) )…
### Part a (Completed Table): | $t$ | $z(t)$ | |-----|--------| | 0 | 5 | | 1 | 25 | | 2 | 45 | | 3 | 65 | | 4 | 85 | ### Part b (Linear Model): $z(t) = 20t + 5$
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fill in the blanks. write 25% as a decimal: write \\(\\frac{1}{11}\\) a…
0.25 0.1
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kira will rent a car for a day. the rental company offers two pricing o…
Option A; 15 ### Part (b)
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kenya is using the internet to research the history of rock music in th…
A. She can check if the sites have.gov,.org, or.edu URLs.
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a textbook store sold a combined total of 404 psychology and sociology …
Number of psychology textbooks sold: \( 245 \) Number of sociology textbooks sold: \( 159 \)
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rewrite the fraction in the sentence below as a percentage: at a certai…
46%
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rewrite the fraction in the sentence below as a percentage. in 2011, a …
10
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one month dante rented 4 movies and 8 video games for a total of $53. t…
Rental cost for each movie: $\boldsymbol{2.25}$ Rental cost for each video game: $\boldsymbol{5.5}$
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rewrite the fraction in the sentence below as a percentage. in 2002, a …
95%
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yoko the trainer has two solo workout plans that she offers her clients…
Length of each Plan A workout: \( 1.5 \) hour(s) Length of each Plan B workout: \( 0.5 \) hour(s)
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when i look around the island, it feels like everything is falling apar…
Arts - Literature
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what is 80% of 62?
49.6
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8. the functions f and g are given by \\( f(x)=\\frac{1}{2}\\log_{10}(x…
\( x = 103 \) ### Part (B)
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what is 90% of 74?
66.6
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what is 60% of 52?
31.2
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question #9 of 10 what do you get when you add 2/5 and 1/5? 1/5 2/5 4/5…
3/5 (corresponding to the option with "3/5" text, e.g., if the gray box is the option with 3/5, then the answer is the option with 3/5. Assuming the gray box is the fourth option,…
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use the aleks calculator to find 65% of 71. do not round your answer.
46.15
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use the aleks calculator to find 3% of 21. do not round your answer.
0.63
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use the aleks calculator to find 32% of 80. do not round your answer.
25.6
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which items represents a strong negative correlation? -1---0-x---+1 -1-…
-1 - X -- 0 ---- +1 (the third option)
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# 25 - 27 (monday) 25 which choice provides a summary of the passage? a…
A. Laws in the United States begin as bills. The bills are introduced in the U.S. House of Representatives and are closely reviewed. Once the bills are approved, they then go to t…
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round 409.9334 to the nearest whole number: round 622.84 to the nearest…
410 623 702 599 327
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4.mb.b.4 make a line plot to display a data set of measurements in frac…
To solve this, we analyze the line plot by counting the number of X's at each pizza - eating value. ### 1. Statement: Two people ate 3 pizzas in a week. - Count the X's at 3: Ther…
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rounding to nearest whole round 752.5 to the nearest whole number: roun…
753 90 679 423 792
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10. represent real - world problems an airline knows that, on average, …
- When fully booked (300 passengers), the expected number of empty seats is 18. - When overbooked by 10 passengers (310 total booked), the expected number of passengers to show up…
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a pole that is 3.1 m tall casts a shadow that is 1.17 m long. at the sa…
100 m
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nearpod 1 \\(\\frac{1}{2}\\) \\(\\frac{1}{3}\\) \\(\\frac{1}{4}\\) \\(\…
1 (the red rectangle with value 1, which is the first option on the left: 1)
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answer the following prompt in list form, with descriptions in sentence…
1. Menorah: A seven - branched candelabrum, symbolizing God's presence and Jewish spiritual light. 2. Shofar: A horn (often ram's), blown for repentance and to mark important even…
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5.4 independent practice teks 7.6.c, 7.6.h, 7.6.i the table shows the n…
Expected: 8 students. More students moved (12 > 8). ### Question 9
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look for a pattern and find the missing digit x. (compare the numbers i…
$8$
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lin uses an app to graph the charge on her phone. 1. when did she start…
She started using her phone 2 hours after noon (or 2:00 PM). ### Sub - question 2:
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a cyclist rides his bike at a rate of 21 miles per hour. what is this r…
Rate: $\frac{7}{20}$ or $0.35$ $\frac{\text{mi}}{\text{min}}$ Distance traveled in 20 minutes: $7$ mi
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write the prefix word that is defined. what prefixed word means ot happ…
Unhappy Rewind Underwater Preheat
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a car is traveling at a rate of 48 miles per hour. what is the car’s ra…
Rate: $\frac{4}{5}$ $\frac{mi}{min}$ Distance traveled in 2 minutes: $\frac{8}{5}$ mi
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17. as part of a training program, staci began working out in an attemp…
The two equations are: 1. \( 570=a + b\ln(1) \) (or \( 570=a \) since \( \ln(1) = 0 \)) 2. \( 465=a + b\ln(4) \) ### (ii) Finding the values of \( a \) and \( b \)
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shown below are the scatter plots for four data sets. answer the questi…
s: (a) Figure 1 (b) Figure 4 (c) Figure 2 (d) Figure 3
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(a) which data set appears to show a nonlinear relationship between its…
The data set in Figure 3 (assuming Figure 3 has a positive linear trend) Wait, no, I think I made a mistake. Let's re - look. The correct answer for a positive linear relationship…
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brutus. remember march, the ides of march, remember. did not great juli…
B. remembering that their actions should be based in honor
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(a) which data set appears to show a nonlinear relationship between its…
The data set in Figure 4 ### Part (b)
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modeling real life there are 144 people in an audience. the ratio of ad…
90
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a cyclist rides her bike at a rate of 9 kilometers per hour. what is th…
Rate: $\frac{3}{20}$ $\frac{\text{km}}{\text{min}}$ Distance traveled in 2 minutes: $\frac{3}{10}$ km
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a cyclist rides her bike at a rate of 9 kilometers per hour. what is th…
Rate: $\frac{3}{20}$ $\frac{\text{km}}{\text{min}}$ Distance traveled in 2 minutes: $\frac{3}{10}$ km
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find the unit rate. 8750 steps every 1.25 hours the unit rate is □ step…
7000
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solving a ratio problem determine how far the vehicle travels in 3 hour…
360
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solving a ratio problem determine how far the vehicle travels in 3 hour…
150
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determine how far the vehicle travels in 3 hours. a train travels 10 mi…
120
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a car is traveling at a rate of 39 miles per hour. what is the cars rat…
Rate: $\frac{13}{20}$ $\frac{\text{mi}}{\text{min}}$ Distance traveled in 5 minutes: $\frac{13}{4}$ mi
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carries smartphone plan with stark mobile includes unlimited talk and t…
No, \(x\) and \(y\) do not have a proportional relationship.
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school every day. at the beginning of this school year, dakota was exci…
No
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a machine produces 264 bolts in 42 minutes. at the same rate, how many …
49 minutes
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maya drove 420 miles using 18 gallons of gas. at this rate, how many ga…
15.3 gallons
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(b) customers of a certain credit card earn points for using the card. …
Correct description: Each dollar spent appears to earn the same number of points. Predicted number of points for spending $10: 100
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we spend the whole day exploring. we get moon rocks to bring back. the …
B. A small act of kindness can mean a lot to someone.
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essential question: how do percents show the relationship between quant…
First proportion: $\frac{\boldsymbol{12}}{100}=\frac{x}{\boldsymbol{18}}$ Then, $\frac{\boldsymbol{12}}{100}\cdot\boldsymbol{18}=\frac{x}{\boldsymbol{18}}\cdot\boldsymbol{18}$ The…
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choose the correct description. ○ the price for each pound of tuna is n…
Correct description: Each point appears to give the same number of tickets. Predicted number of tickets for getting 8 points: 56
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exercice 1 60 points — pour chacune des études suivantes donner a) l’un…
s (Résumés par étude) : ### Étude 1 a) Citoyen de Winnipeg b) Tous les citoyens de Winnipeg c) Échantillonnage d) 500 citoyens de Winnipeg e) Restaurant préféré f) Différents rest…
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predicted cost for 9 people: $63 (b) a train travels from city a to cit…
Correct description: The train does not always go the same distance each minute. Predicted amount of time to travel 32 kilometers: 8 minutes
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3. in preparation for a hot dog eating contest, a competitive eater com…
36.26 (or 36 if rounding to a whole number of hot dogs)
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what does staccato mean? a. smooth b. slow c. short and detached d. ver…
C. Short and detached
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susan split \\(\frac{7}{8}\\) pounds of candy among 6 people. what is t…
$\frac{7}{48}$ pounds per person
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part v: music symbols & terms answer the following. 26. what does legat…
B. Smooth and connected
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in $\frac{1}{8}$ days, a construction crew built $\frac{1}{2}$ miles of…
4 miles per day
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it takes 9 minutes to fill an empty aquarium to a depth of \\(\\frac{3}…
15 minutes per meter