統計と確率
データ分析、確率分布、仮説検定、統計手法。
-
chapter 1 definitions and data score: 12/14 answered: 12/14 progress sa…
Non Sampling Error
-
chapter 1 definitions and data score: 11/14 answered: 11/14 progress sa…
C. interval
-
what is the value of the discriminant of the quadratic equation -1 = 5x…
The discriminant is equal to \(-16\), which means the equation has no real number solutions. (The first option: "The discriminant is equal to \(-16\), which means the equation has…
-
brianna surveyed a representative sample of students at her school to c…
First drop - down: cannot Second drop - down: cannot
-
16 “mami,” i said, “where’s papi?” 17 “¿qué?” 18 “papi. shouldn’t he be…
soft sounds of fear or pain
-
9. larry needs to make as many 12 inch strips as possible from a 125 m …
Larry can make 410 strips.
-
brianna surveyed a representative sample of students at her school to c…
- Students are more likely to own exactly 2 devices than any other number. - Less than half as many students own 3 or more devices as compared to students who own 1 device.
-
in a study, the sample is chosen by choosing every 5th person on a list…
B. Systematic
-
a group of employees of unique services is to be surveyed with respect …
b. 0.025
-
a group of employees of unique services is to be surveyed with respect …
b. 0.025
-
when two or more events can occur concurrently it is called a. a tree d…
b. joint probability.
-
a college administrator wants to survey 250 students that attend her co…
(matching each strategy to its sampling technique): 1. Cluster Sampling 2. Convenience Sampling 3. Systematic Sampling 4. Stratified Sampling 5. Simple Random Sampling
-
when two or more events can occur concurrently it is called a. a tree d…
b. joint probability.
-
read paragraph 15. 15. “mami pressed down on the ham with a spatula. sh…
to shake uncontrollably
-
(i) if there is absolutely no chance a person will purchase a new car t…
d. (i), (ii) and (iii) are all correct statements
-
(i) if there is absolutely no chance a person will purchase a new car t…
d. (i), (ii) and (iii) are all correct statements
-
consideration is being given to forming a super ten basketball conferen…
c. 45
-
consideration is being given to forming a super ten basketball conferen…
c. 45
-
consideration is being given to forming a super ten basketball conferen…
c. 45
-
solve these problems. (dok 2) 1. jared can work 54 math problems in one…
9
-
in which choice is y a function of x? a. | x | 3 | 4 | 5 | 3 | 6 | | y …
C. (The downward-opening parabola graph)
-
you take a trip by air that involves three independent flights. if ther…
a. 0.001
-
you take a trip by air that involves three independent flights. if ther…
a. 0.001
-
i. an experiment is an activity that is either observed or measured. ii…
c. (i) and, (ii) are correct statements but not (iii).
-
i. an experiment is an activity that is either observed or measured. ii…
c. (i) and, (ii) are correct statements but not (iii).
-
i. an experiment is an activity that is either observed or measured. ii…
c. (i) and, (ii) are correct statements but not (iii).
-
what does the complement rule state? a. $p(a) = p(a) \\times + p(b)$ b.…
b. $P(A) = 1 - P(\text{not } A)$
-
what does the complement rule state? a. ( p(a) = p(a) x + p(b) ) b. ( p…
b. $P(A) = 1 - P(\text{not }A)$
-
when an events probability depends on the likelihood of another event, …
a. conditional probability.
-
when an events probability depends on the likelihood of another event, …
a. conditional probability.
-
when an events probability depends on the likelihood of another event, …
a. conditional probability.
-
a state park charges $60 per vehicle just to enter the park, and $10 fo…
For 2 people: \$80 For 4 people: \$100 For 5 people: \$110 For 8 people: \$140 (To fill the table: - Number of people (p) = 2, Total cost (c) = \$80 - Number of people (p) = 4, To…
-
a park charges $60 per vehicle just to enter the park, and $10 for each…
# Explanation: ## Step1: Determine the cost formula The park charges a fixed fee of $60 to enter (per vehicle) and $10 per person. So the total cost \( C \) for \( p \) people is …
-
thematics 7 - 7 - full year pic 6 mid - topic assessment due feb 6 - 11…
- Students are more likely to own exactly 2 devices than any other number. - Less than half as many students own 3 or more devices as compared to students who own 1 device.
-
a car can travel 20 miles using 1 gallon of gas. fill in the table to f…
For 2 gallons: 40 For 4 gallons: 80 For 6 gallons: 120 For 8 gallons: 160
-
brianna surveyed a representative sample of students at her school to c…
About 125 students
-
a bank manager is interested in the average length of time that custome…
- The list of times for the 41 customers who left the bank: d. Data - The 41 customers that the manager observed leave: e. Sample - The length of time a customer waits before leav…
-
chapter 1 definitions and data score: 7/14 answered: 7/14 progress save…
A. Descriptive Statistics
-
identify the type of data that would be used to describe a response. nu…
C. Quantitative - Discrete
-
find the slope of the table. a. 10 b. 20 c. 1/10 d. 1/20
C. \( \frac{1}{10} \)
-
equivalent ratios write two equivalent ratios. 1) 2) 4) 5) determine wh…
Two equivalent ratios for \( \frac{5}{9} \) are \( \frac{10}{18} \) and \( \frac{15}{27} \) ### Problem 2: Write two equivalent ratios for \( \frac{4}{9} \)
-
write this decimal as a fraction in lowest terms. 0.54 = \\frac{27}{?} …
50
-
write this percent as a decimal. 22% = ?
\(0.22\)
-
write this decimal as a fraction in lowest terms. 0.75 = \\frac{3}{?} e…
4
-
what is the equation of the trend line in the scatter plot? use the two…
$y=\frac{3}{2}x - 30$
-
write this decimal as a fraction in lowest terms. 0.75 = ? enter the nu…
3
-
4. $1.4 + (- 3.1) + (- 4.5) =$ 2. $-\frac{1}{7} + (-\frac{4}{7}) =$ 4. …
\( -6.2 \) ### Problem 2: \( -\frac{1}{7} + (-\frac{4}{7}) \)
-
write this decimal as a fraction in lowest terms. 0.15 = \\frac{3}{?} e…
20
-
write this decimal as a fraction in lowest terms. 0.15 = ?/ enter the n…
3
-
determine whether the value is a parameter or statistic in a weight los…
Statistic
-
write using scientific notation. 0.00319 ? × 10 enter the decimal numbe…
\( 3.19 \) (and the exponent is \(-3\) for the complete scientific notation \( 3.19 \times 10^{-3}\))
-
d. word - solving strategies: prefixes the following words from the tex…
1. Rewrite 2. Replay 3. Retry 4. Reread 5. Reunite 6. Rebuild 7. Refill 8. Rewire
-
write using scientific notation. 13,800 ? × 10^□ enter the decimal numb…
The decimal number (coefficient) is \( 1.38 \) and the exponent is \( 4 \), so in the form \( [?] \times 10^{\square} \), the [?] is \( 1.38 \) and the \( \square \) is \( 4 \). W…
-
students were asked about their favorite food. what percent of students…
16%
-
students were asked to name a place you might be told to be quiet. what…
38%
-
question 5 of 10 which sentence correctly describes what affirmative co…
C. Both partners must say yes to consent to sexual activity.
-
50 ÷ 5 = m 50 · \\frac{1}{5} = m m = 10 toni rock climbs a total of 10 …
It takes Toni 10 minutes to to the goal elevation of 50 feet.
-
in what way was womens involvement in the temperance movement related t…
C. It provided a platform for political engagement and advocating for family protection.
-
results of the algebra test grade\t# students a\t21 b\t37 c\t14 d\t6 f\…
8%
-
favorite book genres mystery: 33 romance: 22 adventure: 27 sci - fi: 39…
19%
-
how students spent their day off school activity votes sleeping 24 play…
\( 30\% \)
-
cookie flavors chocolate chip 48 snicker - doodle 23 peanut butter 34 s…
38%
-
cookie flavors chocolate chip: 48 votes snickerdoodle: 23 votes peanut …
To find the percentage of votes for Chocolate Chip: 1. Calculate the decimal: $\frac{48}{125} = 0.384$ 2. Convert to percentage: $0.384 \times 100 = 38.4\%$ 3. Round: $38.4\% \app…
-
9. once the ice breaks free, the following day they notice a man floati…
The man’s response (in *Frankenstein*, likely Victor or a victim) reveals a harrowing tale (e.g., pursuit by the Creature, loss). Suspense: His isolated, desperate state makes rea…
-
the bar graph shows the wage gap between men and women for selected yea…
For part b: The function underestimates the actual data by 5%. For the point identification: (30,76)
-
y varies directly as the square of r. if y is 8 when r is 7, find y whe…
C. \( y = kR^2 \) ### Part (b)
-
the cost of tuition at a certain college varies directly as the number …
1067
-
a linear regression was made for before and after test scores for an sa…
D. The residual for this data point and its predicted value is -50.
-
in a study, the data you collect is gender what type of the data is thi…
C. Qualitative (Categorical)
-
the cost of tuition at a certain college varies directly as the number …
\( 1057.83 \) (or \(\frac{6347}{6}\) if exact fraction is preferred)
-
find an equation that meets the conditions p varies inversely as d, and…
\( \frac{15}{d} \)
-
decide whether the table shows a proportional relationship between x an…
# Explanation: ## Step1: Recall proportional relationship rule For a proportional relationship, \(\frac{x}{y}\) (or \(\frac{y}{x}\)) should be constant for all pairs of \(x\) and …
-
1 part remaining click to select your answer and then click check answe…
A. $\frac{5,250}{231}=\frac{y}{484}$
-
look at the table below: which type of relationship exists between x an…
Direct variation
-
name: _______________________________date:_______ directions: work toge…
96 #### 2)
-
which of the following describes a situation that fits inverse variatio…
B. The faster you drive, the less time it takes to reach your destination.
-
if two quantities are proportional, then their relationship can be repr…
\( y = 22x \) (or using appropriate variable names like \( \text{miles} = 22 \times \text{gas} \)) ### Part (b)
-
ama t3 02/05/26 paragraph 2 – life before and during the civil war your…
Before the Civil War, African Americans endured slavery: they worked without compensation, were barred from education, and had no legal rights/freedoms (e.g., no right to vote, ow…
-
if two quantities are proportional, then their relationship can be repr…
s: (a) \(\boldsymbol{B. \ M = 22 \cdot G}\) (b) \(\boldsymbol{C. \ W = \frac{6}{7} \cdot F}\) (c) Relationships: \( A = \frac{5}{6}B \), \( A = \frac{1}{180}C \), \( B = \frac{1}{…
-
5. (5 points) jason is solving a system of equations to find the equili…
For the system of equations, the result $0p + 0q = 17$ (simplifying to $0=17$, a false statement) means the system has no solution. In the supply/demand context, this indicates th…
-
the graph below shows the relationship between the volume in ml, v, and…
Cylinder B
-
if two quantities are proportional, then their relationship can be repr…
B. \( M = 22\cdot G \)
-
which context clues help the reader understand the author’s meaning of …
The relevant context clues are: 1. "I cried aloud, shaking my head all the while until I felt the cold blades of the scissors against my neck, and heard them gnaw off one of my th…
-
the distance d you bike varies directly with the amount of time t you b…
### Part 1: Equation relating \( d \) and \( t \) #### Step 1: Recall direct variation formula Direct variation means \( d = kt \), where \( k \) is the constant of proportionalit…
-
read the excerpt from \sinners in the hands of an angry god.\ there wil…
perfect
-
the distance d you bike varies directly with the amount of time t you b…
D. \( d = 7.84t \)
-
quadrangle college has space for 740 students in the first - year class…
1139
-
for each of the pairs of quantities, identify if they are directly, inv…
directly proportional
-
for each of the pairs of quantities, identify if they are directly, inv…
directly proportional (Option: directly proportional)
-
for each of the pairs of quantities, identify if they are directly, inv…
directly proportional ### Part (b)
-
the functions $f(x) = -2.9x + 287$ and $g(x) = 0.01x^2 - 4.9x + 370$ mo…
a. B. $f(70)=84$, which means that the chance of a 60-year-old surviving to the age of 70 is $84\%$. b. $g(70)=76$, which means that the chance of a 60-year-old surviving to the a…
-
for each of the pairs of quantities, identify if they are directly, inv…
directly proportional ### Part (b)
-
required information for the questions in the terminology quiz, fill in…
syntax
-
for each of the pairs of quantities, identify if they are directly, inv…
directly proportional ### Part (b)
-
for each of the pairs of quantities, identify if they are directly, inv…
B. directly proportional
-
5. what did the christians call the holy land once they recaptured it? …
5. D. Outremer 6. C. who should lead the church
-
more work multiplying polynomials n-gen math® algebra i in the last les…
(a) $\boldsymbol{6x^2+19x+10}$ (b) $\boldsymbol{35x^2+43x+12}$ (c) $\boldsymbol{x^2+4x-32}$ (d) $\boldsymbol{x^2-7x+10}$ (e) $\boldsymbol{3x^2-25x+28}$ (f) $\boldsymbol{x^2-81}$ -…
-
3 look at the words. when you know the meaning of one form of a word, y…
### Question 3 Answer: 4 (all listed words: interruption, to interrupt, interruptable, Interruptive are related to "interrupt") ### Question 4 Completed Chart: | Noun | Verb | Adj…
-
required information for the questions in the terminology quiz, fill in…
triarchic theory of intelligence
-
based on the data represented in the back - to - back stem - and - leaf…
E. outlier at 81 for Sample 2 and at 94 for Sample 1