統計與機率
資料分析、機率分佈、假設檢定與統計方法。
-
question 6, 3.3.ps-27 matt evaluates the expression \\((45.6 + 21.4) - …
D. They both followed the order of operations but the grouping symbols require Matt to calculate the numbers in a different order than Laura.
-
select the correct answer the variable b varies directly as the square …
D. \(b = 50\sqrt{c}\)
-
a veterinarian surveys her clients and finds that 32 percent of the hou…
- \( P(D | C) = 0.44 \) - \( P(C \cap D) = 0.11 \) - \( P(C \cap D) = P(D \cap C) \)
-
order these numbers from least to greatest. 6.9, 6.97, 8.711, 6.9072
$6.9 < 6.9072 < 6.97 < 8.711$
-
select the correct answer. the variable y varies directly as x. when x …
B. 9
-
question 5 of 5 select the correct answer. the square of z varies inver…
24
-
question 4 of 5 enter the correct answer in the box. the number of cups…
$c = \frac{768}{s}$
-
select the correct answer. the number of plants needed to fill a row in…
B. 54
-
question 2 of 5 select the correct answer from each drop - down menu. d…
$d=12n$
-
question 2 of 5 select the correct answer from each drop - down menu. d…
1. twice 2. directly 3. $d = 12n$
-
which of the following pathways would be found under the transportation…
A. Logistics and Inventory Control
-
select the correct answer from each drop-down menu. the variable p vari…
When $p = 4$, $q = 75$ When $q = 10$, $p = 225$
-
what inequality does this number line show? -2 -1 0 1 2 3 write your an…
$x > 1$
-
incongruent trials (blue, black, red, etc.). in the table, we also show…
Data will show quicker responses to congruent trials. This is due to the Stroop effect: congruent trials have matching word meaning and ink color, so the brain experiences no cogn…
-
compare fractions write the appropriate statement (less than, greater t…
1. $\frac{3}{8} < \frac{3}{4}$ (less than) 2. $\frac{6}{8} > \frac{4}{8}$ (greater than) 3. $\frac{2}{6} < \frac{3}{6}$ (less than) 4. $\frac{0}{4} < \frac{4}{4}$ (less than) 5. $…
-
order these fractions from least to greatest.\\(\frac{1}{7}, \frac{6}{7…
$\frac{1}{7} < \frac{4}{7} < \frac{6}{7}$
-
order these fractions from greatest to least. \\(\\frac{3}{6}, \\frac{4…
$\frac{4}{6} > \frac{3}{6} > \frac{1}{6}$
-
complete each statement using data from the two - way table. lupe surve…
1. Lupe surveyed 1 more 8th graders than 7th graders. 2. A beverage station was most popular among 6th graders. 3. Overall, more students prefer a beverage station than a taco bar.
-
order these fractions from least to greatest. \\(\\frac{7}{9}, \\frac{5…
$\frac{4}{9} < \frac{5}{9} < \frac{7}{9}$
-
either a taco bar or a beverage station will be added to the cafeteria …
51 students
-
4. one pan of brownies is equally shared by 6 people. what fraction of …
4. $\frac{1}{6}$ 5. $\frac{1}{3}$ 6. a. $\frac{1}{2}$ b. 4 c. (8 markers split into 2 groups of 4) 7. a. $\frac{1}{3}$ b. 2 c. (6 markers split into 3 groups of 2)
-
thursday what part of speech is the underlined word? adjective, adverb,…
adverb ### 2. Write the meaning of the underlined word "unlikely".
-
during a gym class, jose jogged, and edwin walked at constant rates aro…
1. 8 more times 2. Jose's rate: 6 miles per hour; Edwin's rate: 2 miles per hour 3. 4 miles per hour 4. The steeper line on the graph represents the faster rate, which is Jose's l…
-
use technology to find the requested measures of center and spread for …
mean = 53.93 median = 53.35 max = 69 min = 35.6 mid-range = 52.30 range = 33.4 standard deviation = 9.723
-
select the correct texts in the passage. which detail best supports the…
The 2001 recession briefly tempered consumer spending, but growth rates rose again as Americans spent more on durable household items, new technology, and vehicles as the housing …
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
C. $P=2P(z < -1.59)$ The P-value is 0.112
-
part 2: close reading questions directions: answer each of the followin…
- The purpose behind Banquo & Fleance’s conversation is to establish a calm, loyal contrast to Macbeth’s guilt-ridden plotting and foreshadow Fleance’s royal lineage. - The shift …
-
6. there were four girls and six boys at a party. they took turns danci…
A. 20
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
First, correct the student's mistake: the standard error was incorrectly used as 0.024 (the correct standard error is ~0.0239). The correct z-test statistic is $\boldsymbol{-1.59}…
-
5. a school cafeteria offers milk, juice, tea, and water to drink. the …
C. 20
-
4. a printer has a choice of four styles of lettering and five types of…
4. A. 20 5. C. 20
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
1. Corrected $SD(\hat{p}) = 0.024$ 2. Test statistic $z = \frac{0.32 - 0.358}{0.024} \approx -1.5833$ 3. The p-value (0.0571) is greater than 0.01, so there is not strong evidence…
-
3. a fair die has six sides. if two fair dice are rolled, how many poss…
A. 36
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
### Correct Condition Option: D. This condition is satisfied because n = 400 > 10% of the county population. ### Standard Error: 0.024
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
## Observed Proportion: $\frac{128}{400} = 0.320$ ## Success/Failure Condition: B. This condition is satisfied because np = 143.2 ≥10 and nq = 256.8 ≥10. ## Hypothesis Test Conclu…
-
toby put equal sized marbles into a bowl. then, he shook the bowl until…
no
-
sofia surveyed the 92 top - ranking students in the high school. is thi…
no
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
## Hypothesis Test Result: No, the responses do not provide strong evidence that the 35.8% figure is inaccurate, as the p-value (0.1134) is greater than 0.01, so the event is not …
-
a county health service planning a new awareness campaign polls a rando…
E. This condition is satisfied because n = 400 < 10% of the county population.
-
mary explored 7 hiking trails in each county in her state. each county …
no
-
josiah put on a blindfold and picked 7 jelly beans from a jar. is this …
yes
-
pete interviewed 200 students in each grade. each grade has an equal nu…
yes
-
2. a spinner is divided into three equal sections: green, red, and yell…
B. 9
-
1. mr. johnson is planning what to wear tomorrow to school. he has a wh…
D 12
-
read the passage from theodore roosevelt. alls autobiography? i could n…
standard ruling
-
read the passage from theodore roosevelt. an autobiography: in the yell…
survival efforts
-
read the sentence. as the contractor looked at the dilapidated structur…
A. rundown
-
ellie surveyed 32 elementary school students in a regional spelling bee…
yes
-
in a recent year, a health agency reported that 35.8% of adults in a ce…
E. These are satisfied because n = 400 < 10% of the county population. F. These are satisfied because np = 143.2 ≥ 10 and nq = 256.8 ≥ 10. --- ### Hypothesis Test Completion (full…
-
kamal polled 12 parents living throughout each county in his state. eac…
no
-
chloe threw a handful of identically shaped buttons into the air, then …
yes
-
mary polled 67 pet owners in the city. is this sample of people in the …
no
-
read the sentence. the investors could not handle the ups and downs so …
to vary in level or value
-
marco polled the 20 customers who had been going to a particular barber…
yes
-
read the sentence. as the trumpet blared a jarring noise, everyone quic…
shrill
-
tyler surveyed the first 38 students in the lunch line. is this a rando…
no
-
the table below shows the scores of a group of students on a 10 - point…
Mean = 7.3, Median = 8
-
what type of context clue is used to determine the meaning of abnormali…
The context clue type is **contrast (antonym - based)**. The word "sustainable" (with meanings like self - maintaining, long - lasting, recurring) is used in contrast to the effec…
-
example 6: the spinner shown is divided into congruent sections. if the…
D. $\frac{2}{5}$
-
what type of context clue is used to determine the meaning of after man…
thinned out
-
choosing language for context and purpose use context to determine mean…
example
-
example 4: the spinner shown is divided into congruent sections. if the…
D. ½
-
someone hands you a box of 22 chocolate - covered candies, telling you …
b) B. Possibly. Picking 3 vanillas in a row is not a surprising enough result to reject the statement that 11 are vanilla and 11 are peanut butter. c) B. No, since the probability…
-
use excel, spss, statdisk, or some other technology to find the request…
# Explanation: ## Step1: Count the number of data points First, we need to count how many numbers are in the data set. Let's count row by row: - Row 1: 7 numbers - Row 2: 7 number…
-
example 3: the spinner shows the types of movies rented by customers at…
B. $\frac{2}{3}$
-
topic: writing inequalities from a real world problem. graphing inequal…
(Inequalities): - \( x + y \geq 10 \) (total items constraint) - \( 3x + y \leq 12 \) (time constraint) - \( x \geq 0 \) - \( y \geq 0 \) ### Part b: Graphing Inequalities
-
example 2. the spinner shown is divided into congruent sections. if the…
C. $\frac{3}{8}$
-
example 4: the spinner shown is divided into congruent sections that ar…
A. $\frac{4}{7}$
-
2. the spinner shown is divided into congruent sections. if the spinner…
D. $\frac{7}{10}$
-
1. the spinner shown is divided into congruent sections. if the spinner…
C. $\frac{1}{3}$
-
12. find the five number summary of the following data set: 12, 15, 9, …
The five - number summary is: Minimum \( = 4\), \(Q_1=8.5\), Median (\(Q_2\)) \( = 11\), \(Q_3 = 15.5\), Maximum \( = 20\) ### Question 13 Solution:
-
4 four children filled banks with paint. the table shows the weights of…
$12\frac{1}{3}$, $12.45$, $12\frac{5}{8}$, $12.7$
-
the death of king charles i the night after king charles the first was …
He was sad about the execution but satisfied with the result.
-
past and present participles match the word on the left to its meaning …
- verbal: a word that is formed from a verb but used as a noun, an adjective, or an adverb - participle: a type of verbal that functions as an adjective - present participle: form…
-
what is the most likely meaning of the word renovate? to restore or imp…
to restore or improve something ### Second Sub - Question (Context Clue for "renovate")
-
theodor adornos aesthetic theory posits that authentic art resists comm…
C. "Adorno insisted that artworks achieve social truth not by depicting political struggles directly but by embodying formal contradictions that mirror society's unresolved antago…
-
7. determine whether each of the following is a leading question a isnt…
7. a. A. Yes b. B. No 8. B. The relationship between hours of study and test scores among students. 9. B. Independent: exercise Dependent: body weight
-
a space agency launched two rockets. the first rocket reached a height …
A. $2 \times 10^1$ ft
-
quick write! drop us into a scene. what is happening here? use any poin…
Es medianoche, y yo, desde mi habitatorio en el piso 5, miro por la ventana con la boca abierta. Un hombre con una mochila negra se arrastra por el tubo de desagüe que va desde el…
-
you want to use an equal number of dimes and quarters to make $10.50. h…
60
-
during excavations near lugdunum, a roman administrative center in mode…
A. Indeed,
-
look at this table: x | y -20 | 3 -5 | 19 1 | 10 9 | 2 -14 | 0 is this …
yes
-
tasha and li were catching bugs. tasha caught \\(\\frac{1}{3}\\) as man…
15 (corresponding to the option "15")
-
37. isabella saved 2 nickels today. if she doubles the number of nickel…
8
-
look at this table: x | y 5 | 13 20 | 15 7 | 17 5 | 6 12 | 16 -3 | 11 i…
no
-
look at this table: | x | y | |----|----| | 18 | 15 | | 9 | -9 | | 19 |…
yes
-
look at this table: x | y -19 | 16 8 | -12 14 | -6 8 | 13 6 | 1 14 | 12…
no
-
which number is equivalent to the expression shown? \\(\\frac{1.6808 \\…
B. 382
-
a random survey was conducted to see what kind of shoes people preferre…
43.5%
-
convert percent to decimal (convert a given percentage into a decimal s…
0.213 #### 5% ## Step1: Divide by 100 $5 \div 100 = 0.05$
-
casper has some whipping cream that is 18% butterfat and some milk that…
Point M represents the volume of whipping cream (x) and volume of milk (y) needed to make a 500 mL mixture that is 12% butterfat (specifically, using 300 mL of whipping cream and …
-
the use of software and statistics to draw inferences from data. bookke…
data analytics
-
look at this table: | x | y | |----|----| | 1 | 1 | | 1 | 17 | | 13 | 7…
no
-
look at this table: x | y 3 | 2 8 | -1 -7 | 2 is this relation a functi…
yes
-
look at this table: x | y 2 | 3 3 | -5 7 | -3 is this relation a functi…
yes
-
given the function defined in the table below, find the average rate of…
$\frac{4}{5}$
-
look at this table: x | y -16 | 18 1 | 18 7 | 15 18 | 8 is this relatio…
yes
-
if a minor is named beneficiary, policy proceeds are typically: paid di…
1. Held by a guardian or trustee 2. Creditors of the beneficiary 3. Equally among surviving beneficiaries
-
consider the equation $0.75 \\cdot 10^{\\frac{w}{3}} = 30$. solve the e…
$w = 3\log_{10}(40)$ $w \approx 4.806$
-
look at this table: x | y 20 | -16 20 | 1 8 | -16 is this relation a fu…
no