统计与概率
数据分析、概率分布、假设检验与统计方法。
-
mrs. jacobs buys 18 notebooks and 6 folders for her classroom. what is …
$3:1$
-
mr. kanavins drives 180 miles in 3 hours to attend a school training. w…
60 miles per hour
-
adapted from the innocents: “chapter 2” by sinclair lewis they took the…
A. self - important
-
cuneiform noun card 2 of 8 one of the earliest written languages, consi…
Archaeologists discovered clay tablets covered in cuneiform that detailed the grain stores of an ancient Mesopotamian city-state.
-
adapted from the innocents by sinclair lewis chapter 2 they took the st…
A. self - important
-
list actions taken by roosevelt to address the nation’s economic proble…
To solve this, we analyze key New Deal actions by FDR: ### 1. Bank Holiday (C) - **Explanation**: Closed banks temporarily to stop runs, let stable banks reopen. Conservative (res…
-
they sat on deck. mother yawned and nodded and at last said the - which…
C. The characters each bring a thoughtful gift to one another, reminding them both of their mutual affection among unfamiliar circumstances. This foreshadows the comfort Father fi…
-
1. elijah gets 3% commission for every car he sells. if he sold several…
\$1440 ### Problem 2:
-
them like a sparrow robbed of a crumb. as he escorted her into the dini…
D. Despite feeling afraid, Mother trusts Father’s confidence and becomes more relaxed as their journey unfolds.
-
the histogram shows the duration, in minutes, of movies in theaters. wh…
The median is less than the mean.
-
mr. walker is looking at the fundraiser totals for the last five years.…
The mean is $1.60 greater than the median.
-
the suzuki family has a pontoon boat they use for outings. the boats ga…
5 miles per gallon of gas
-
list actions taken by hoover to address the nations economic problems. …
1. Reconstruction Finance Corporation (RFC) - Action: Provided loans to banks, railroads, and businesses. Purpose: Stabilize institutions, prevent failures, and stimulate recovery…
-
kelly has 10 apps on her ipad. 5 are school apps, 2 are music apps, and…
D. 5 to 3 (assuming the options are labeled A to D with D being 5 to 3 as per the last option shown)
-
which represents the relationship of oranges to total fruit? (not simpl…
2:6 (corresponding to the teal-colored option with "2:6")
-
city - state noun card 1 of 8 an independent state made up of a city an…
The ancient city-state of Sparta, with its strict military culture, controlled the surrounding regions of Laconia as a self-governing entity.
-
mcclure wanted his magazine to become \a power in the land--a power for…
1. To do this, McClure planned to hire the best writers and pay them a regular salary. 2. With a regular salary, "McClure's" writers could spend weeks, months, or even years resea…
-
who wrote the story moby dick? simplify the fractions given, stating yo…
Herman Melville
-
multiple-choice question why did two-bit slap ponyboy? he was nice to j…
He said something mean to Johnny.
-
what does ponyboy mean when he thinks that cherry and him \saw the same…
That the world they live in is similar
-
luca helped his father stain the deck in their backyard. they used 2 ga…
$\frac{1}{200}$ of a gallon of stain per square foot of deck
-
lola needs to sign 96 invitations. using a stopwatch that measures time…
508.8 seconds
-
the dot plot shows the number of words students spelled correctly on a …
The graph is nearly symmetrical.
-
the table shows the number of calories in four meals and the cost of ea…
a weak negative correlation
-
what is the correlation coefficient for the data shown in the table? (t…
1 (the option with value 1)
-
vindication (paragraph 6) your turn! write words that mean the same as …
- Synonym: exoneration (Example sentence: The new evidence provided exoneration for the wrongly accused man. Cognate in Spanish: exoneración) - Antonym: condemnation (Example sent…
-
violet creates two spinners for a game. each spinner is spun once, and …
# Explanation: ## Step1: Calculate total frequency First, we find the total number of trials (sum of frequencies). The frequencies are \(1, 2, 3, 4, 3, 2\). So total frequency \(n…
-
denunciation (paragraph 6) your turn! drag words that mean the same as …
Synonyms of denunciation: rebuke, reprimand, reproach Antonyms of denunciation: praise, endorsement, commendation
-
name_____________________________ date ________ did you hear? riddles 1…
1. About your muscles: **IT'S A LOT OF MUS**H 2. About the rotten pudding: **YOU WOULDN'T SWALLOW IT** Letter-to-answer key: W=38, O=69, D=222, L=686/232, T=54, M=521, Y=681, H=46…
-
which of the following means to be a critical reader? (1 point) to anal…
to analyze and ask questions
-
question 6 of 9 a certain forest covers an area of 4200 km³. suppose th…
1428 square kilometers
-
the scatterplot represents the total fee for hours renting a bike. the …
The table provided (with \( x \) as 1, 2, 3, 4, 5; Given values 14.95, 25.50, 32, 38.95, 42.50; and Residual Values 2.12, -1.575, -1.22, -1.315, 1.99) is the correct table for res…
-
a regression is performed on the table below. | $x$ | $sqrt{x}$ | $y$ |…
B. \( y = 7.9\sqrt{x} + 8.5 \)
-
unabated (paragraph 6) your turn! drag words that mean the same as unab…
### Synonyms (words with same meaning as unabated): - steady - unwavering ### Antonyms (words with opposite meaning as unabated): - diminishing - weakening - spent - tireless (Wai…
-
the scatterplot represents the total fee for hours renting a bike. the …
The given table (with \( x \), Given, Residual Value as shown) has correct residual values because for each \( x \), the residual (Predicted - Given) matches the calculated values…
-
the graph shows the distribution of hand lengths, in centimeters, of th…
4
-
indirect distribution channels use ______ to sell their products to the…
middlemen (the option with "middlemen" as the text)
-
the histogram represents boiling temperatures, in degrees celsius, of t…
The mean of the tap water boiling temperatures is about \(4^\circ\) less than the mean of the saltwater boiling temperatures.
-
a research study was conducted to measure the time students focused on …
median
-
using the problem a product or service solves, a value hypothesis shoul…
D. business model
-
the box plots show the data distributions for the number of text messag…
4
-
question 7 of 7 a can of soda is placed inside a cooler. as the soda co…
Initial temperature: $26$ °C Function represents: decay Percent change each minute: $6$ %
-
a line of best fit is $f(x) \\approx -0.86x + 13.5$ for the set of poin…
\(-2\) (corresponding to the option with value \(-2\))
-
what are the two main types of distribution channels? options: digital,…
B. Indirect, C. Direct
-
the histogram represents the distributions of essay scores for high sch…
(Assuming the three correct are) - The juniors tended to have higher essay scores than the sophomores. - The interquartile range is the best comparison of the measure of variabili…
-
melissa collected the data in the table. when $x = 4$, what is the resi…
\(-1\)
-
the chart represents a data sets given values, predicted values (using …
\( g = -2 \) and \( h = 1 \) (corresponding to the option " \( g = -2 \) and \( h = 1 \) ")
-
a store manager is looking at past jewelry sales to determine what size…
1.15
-
the data set represents the total number of tickets each person purchas…
\(1.5\)
-
which histogram represents blancas lap times for the three days of prac…
The middle histogram (with lap times 82, 84, 86, 88, 90, 92, 94, 96, 98 and number of laps up to 5) represents Blanca’s lap times.
-
p2. use cross - multiplication to solve for the missing quantity in the…
$x = 1.5$ ### Part b
-
7. mr. yung orders 3 pizzas. he cuts the pizzas into the number of equa…
7. - Mushroom pizza: 1 straight line through the center to make 2 equal halves. - Pepperoni pizza: 4 straight lines through the center to make 8 equal slices. - Cheese pizza: 2 pe…
-
which graph shows data whose r - value is most likely closest to 1?
The third graph (the one on the right) shows data whose \( r \)-value is most likely closest to 1.
-
weights of the items in the two suitcases (in ounces) suitcase 1 suitca…
The data for suitcase 1 have an outlier, but the data for suitcase 2 does not.
-
the data set represents the total number of people who bought bananas e…
The first box plot (the left - most one with whiskers from 1 to 12, box from 3 to 9, and median at 7) correctly represents the data. (Assuming the first box plot in the given opti…
-
p1. convert the following ratios to numerical (decimal) form. round to …
3.22 ### Part b
-
jeff has 4 red pens and 2 blue pens in his backpack. he also has 1 yell…
C. \( \frac{1}{15} \)
-
a. \\(\\frac{32.8}{10.2}\\)
The value of $\frac{32.8}{10.2}$ is approximately $\boldsymbol{3.22}$ (or $\boldsymbol{\frac{164}{51}}$ as a fraction).
-
a data set is shown in the table. the line of best fit modeling the dat…
0.88
-
there is 1 red gumdrop and 4 green gumdrops in a small jar. also, 2 pie…
A. \( \frac{2}{25} \)
-
the table shows the number of flowers in four bouquets and the total co…
0.28
-
the graph represents the distribution of the number of questions answer…
4
-
main idea noun card 2 of 7 the central idea in a story or text; what a …
When reading the fable "The Tortoise and the Hare", the main idea is that slow and steady perseverance often leads to success, while overconfidence can cause failure.
-
on the first day of a new movie release, 783 people watched the movie a…
D. \( W(t) = 783(0.95)^t \)
-
linda has 56 beads. that is 39 more beads than han has. this situation …
A. \( 39 +? = 56 \), C. \( 56 =? + 39 \), D. \( 56 - 39 =? \)
-
character noun card 1 of 7 someone who does something in a story or oth…
In the story "Cinderella", the character of Cinderella is kind - hearted and eventually finds happiness.
-
what does bessie say i have done?\ i asked \jane, i dont like cavillers…
b. nagging
-
5amak became exasperated as he watched the seals swim away into the dar…
b. exist
-
an invitation to dinner was soon afterwards dispatched, and already had…
d. delayed
-
question 5 (7 points) most importantly, though, the highway bypass woul…
d. In 2011, homeowners who live near interstate traffic saw a 20% reduction in the value of their homes
-
2. a giant panda lives in a zoo in washington, d.c. a. what does the po…
When the giant panda is 36 months old, its weight is 82 kilograms. ### Part b
-
to rest at the noon hour and meditate loves ecstasy; to return home at …
c. thankfulness
-
question 1 (2 points) some people are sure that the new health care law…
b. controversy
-
| | constitution | questions | | appointment | article ii, section 2 ..…
1. Federal judges are selected by being nominated by the President, and then appointed by the President with the Advice and Consent of the Senate. 2. "By and with the Advice and C…
-
remarkable enough to be famous; very well known * a cheap bench seat at…
The correct word for "remarkable enough to be famous; very well known" is not "Bellissimo" (which means beautiful in Italian). The correct term could be "notable", "famous", "reno…
-
four people have lunch at a buffet restaurant, where everyone pays the …
C. Price of food per person (assuming the options are labeled A, B, C, D with C being "Price of food per person")
-
2. diego worked out a deal with his parents. for every hour that he rea…
### Part a # Explanation: ## Step1: Analyze the equation The equation given is \( s=\frac{1}{4}r \). Here, we need to determine what each variable represents. From the problem con…
-
collaborative work: declaration of independence 1. explain how the decl…
- **Popular Sovereignty**: The Declaration states governments derive power from "the consent of the governed", meaning political authority comes from the people. - **Social Contra…
-
evidence 6: normal distribution & correlation current score: 0 1. the l…
a. 0.8621 b. 0.1587 c. 13.34 cm (rounded to two decimal places) --- ### Problem 2:
-
accelerated 6 unit 4 section d checkpoint 1. tyler bought 4 ounces of v…
### Part a: Completing the Table # Explanation: ## Step 1: Find the unit rate (cost per ounce) We know that 4 ounces cost $19. So the unit rate (cost per ounce) is calculated by d…
-
5. last year, approximately 40 lakh tourists visited india. read the ci…
10,00,000 (10 lakh) ### (b)
-
the tables display the results of a survey of eating preferences from t…
categorical bivariate ### Part 2: Association Between Gender and Vegetarianism To determine association, we compare the proportions (or ratios) of vegetarians by gender. The numbe…
-
question: 32 of 38 a bag contains five green balls, four red balls, and…
\(\frac{1}{3}\) (corresponding to the option with \( 1/3 \))
-
lesson 1 homework - complements, unions, intersections determine each p…
\(\frac{2}{5}\) ### Problem 2: Rolling a prime number on a die.
-
synonyms - a synonym is a word that has the same or nearly the same mea…
### Part A 1. **enormous** - Single synonym: huge - Phrase: big truck (underline "big") 2. **vehicle** - Single synonym: car - Phrase: motor vehicle (underline "motor") 3. **selec…
-
the population of a town was taken in 2010. after 3 years, the populati…
\( y=-200x + 9900 \) (the third option: \( y = - 200x+9900 \))
-
for each linear relationship, determine the rate of change and interpre…
Rate of Change: \(234\) (dollars per week) Interpretation: Sarah saves \$234 per week in her savings account. ### Problem 8
-
section 2 examples directions: read the following examples of figurativ…
e. hyperbole c. simile e. alliteration d. onomatopoeia a. simile e. hyperbole b. metaphor a. simile
-
and find the missing values. 1) | x | 9 | | 5 | | | y | 36 | 16 | | 8 |…
1) Missing values: $x=4$, $y=20$, $x=2$ 2) Missing values: $x=12$, $y=5$, $y=3$ 3) Missing values: $y=2$, $x=18$, $y=5$ 4) Missing values: $x=3.2$, $x=2$, $x=\frac{4}{3}$ 5) Missi…
-
section j in amplif directions: read the following statements of figure…
(Assuming the option for simile is present; if the options for Q24 are, say, e. simile (if labeled correctly), then the answer is the option with simile. But based on the standard…
-
14 (partially visible text about ribbon and bracelets) a (option), b 12…
D 4.13 *Note: Correction: The calculated value is 4.23, which aligns with the intended correct option D, likely a typo in the option label.*
-
grade 6 unit 3 end - of - unit review 5. on saturday, elena read 40% of…
Elena and Jada read the same number of pages (90 pages each) that day.
-
6. the list below shows the cost of the same candle at two different st…
# Explicación: ## Paso1: Calcular tarifa unitaria ABC $\text{Tarifa unitaria ABC} = \frac{\$12.00}{6} = \$2.00$ ## Paso2: Calcular tarifa unitaria XYZ $\text{Tarifa unitaria XYZ} …
-
example 1 ramon hernandez silk - screens prints for a local artist who …
Last week's pay: $\$300$ This week's pay: $\$284$ Concept check total pay: $\$448$
-
4. there were a total of 640 students at a school on friday. every stud…
B. 352
-
choose the card that shows the greater value. \\(\frac{1}{6}\\) and a c…
The card with the shaded regions (representing $\frac{6}{6}$ or 1) shows the greater value.
-
3 fourths is? 2 fourths. less than equal to greater than
greater than
-
welcome to the game show, \which is greater?\ choose the card that show…
The first card (the one with 3 shaded parts out of 4) shows the greater value.
-
what is 60% of 40? 0.6·40 =
24
-
to find a percent of a number, you can write the percent as a decimal a…
B. $0.6 \cdot 40$ (assuming the options are labeled, and the second option is $0.6 \cdot 40$)