Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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m3|l2 graphs of proportional relationships elapsed time in hours, x | r…
The graph correctly represents the proportional relationship \( y = 0.2x \) between elapsed time (x) and rainfall (y), with the point (2, 0.4) plotted accurately.
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question the model below represents a division problem. chart of a numb…
The equation represented by the model is $\boldsymbol{\frac{7}{5}\div\frac{1}{5} = 7}$ (or if the total shaded segments are 14, $\boldsymbol{\frac{14}{5}\div\frac{1}{5}=14}$; but …
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m3|l2 graphs of proportional relationships the constant of proportional…
0.2
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after the due date, some assignments might still be available in review…
- First question: "Getting exercises correct in Review Mode won't change the score in the gradebook." - Second question: "My score in the gradebook will not change", "I just enter…
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the exponential model $a = 630.9e^{0.027t}$ describes the population, $…
630.9
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the model below represents a division problem. which equation is repres…
\( 1\frac{3}{5} \div \frac{2}{5} = 4 \) (the first option, assuming the first option is labeled as, say, A: \( 1\frac{3}{5} \div \frac{2}{5} = 4 \))
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the latin root tactus is part of the word tangent. what does the word t…
touching
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what does the root cand mean in the word candescent? the candescent qua…
glowing
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22 mark for review poll results angel cruz 483 terry smith 320 the tabl…
B. 1,304
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the exponential models describe the population of the indicated country…
Country 2 has the greatest growth rate, with a growth rate of \( 2.1\% \) per year.
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21 mark for review data set a data set b 12 12 10 10 8 8 6 6 4 4 2 2 0 …
A. 0
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complete the table for a savings account subject to continuous compound…
5
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the formula ( a = pe^{rt} ) describes the accumulated value, ( a ), of …
\( 7.7 \)
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16 mark for review the regular price of a shirt at a store is $11.70. t…
1.8
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question the model below represents a division problem. which equation …
The equation represented by the model is $2 \div \frac{2}{5} = 5$ (or in multiplication form $2 \times \frac{5}{2} = 5$). If we consider the general division of a number by a frac…
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let e be a colleges enrollment (in thousands of students) at t years si…
(Assuming the correct graph is the one with \( y \)-intercept 4 and slope 2, for example, if the options are as per the visual, the correct graph would be the one that passes thro…
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which equation is represented by the model? answer $\frac{1}{5} \\div 1…
\(2\frac{1}{5}\div\frac{1}{5}=11\) (the fourth option in the original list, but in the options provided, it's the one with \(2\frac{1}{5}\div\frac{1}{5}=11\))
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let e be a colleges enrollment (in thousands of students) at t years si…
B
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the model below represents a division problem. which equation is repres…
$3\frac{3}{4}\div\frac{1}{4}=15$ (the option with this equation, assuming the options are labeled, e.g., if it's the bottom - right option, but based on the calculation, the equat…
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entering a list sometimes an equation or problem will have multiple sol…
\(2,4,6,8\)
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leah drank \\(\\frac{1}{4}\\) quart of orange juice, and anna drank \\(…
$\frac{7}{12}$ quarts
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for the function q, the value of q(x) decreases by 45% for every increa…
C. \( q(x) = 14(0.55)^x \)
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water is steadily pumped out of a flooded basement. let v be the volume…
5.5
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the function f(x) = 23(0.990)^x models the percentage of surface sunlig…
\boxed{458}
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the formula ( a = 24.2e^{0.0797t} ) models the population of a us state…
2003
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grandpa; it was my only chance. he saw my shadow and looked up. he wait…
C. It makes Marta realize the true value of the jacket.
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the formula $a = 24.2e^{0.076t}$ models the population of a us state, $…
24.2
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conversation. the next day when the principal called me into his office…
A. It reveals that he feels guilty because he knows what he is doing is wrong.
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y > 13x - 18 for which of the following tables are all the values of x …
# Explanation: ## Step1: Check Table A For \( x = 3 \): Calculate \( 13x - 18 = 13(3)-18 = 39 - 18 = 21 \). The inequality is \( y>21 \), but \( y = 21 \) (not greater), so Table …
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this graph shows the gallons of water leaked are proportional to the ti…
60
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13 mark for review the function $f(t) = 60,000(2)^{\frac{t}{48}}$ gives…
48
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my assignments the principal muttered something i couldnt understand un…
When Marta shares her grandfather’s perspective (that a paid jacket wouldn’t be a scholarship jacket), the principal is initially insistent (arguing her grandfather can pay) but t…
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bc grade 6 mathematics unit 2 – ratio, percen extra for experts 11. ral…
Ralph: \$5.25 per hour, Brenda: \$10.5 per hour ### Question 12 Solution:
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solve the logarithmic equation. be sure to reject any value of x that i…
C. There is no solution.
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solve the logarithmic equation. be sure to reject any value of x that i…
\(7\)
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as a school bus driver, dakota takes pride in safely taking the neighbo…
The linear equation is \( y = 7.5x + 25 \) (or relevant value based on specific question about the graph, e.g., slope \( 7.5 \), y-intercept \( 25 \)).
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fifteen dollars, and i have to take the money in tomorrow, otherwise it…
1. "What does a scholarship jacket mean?" 2. "Then if you pay for it, Marta, it’s not a scholarship jacket, is it? Tell your principal I will not pay the fifteen dollars." ### Que…
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each of the dot plots shown represents the number of glue sticks brough…
B. The standard deviation of the number of glue sticks brought in by each student for class A is equal to the standard deviation of the number of glue sticks brought in by each st…
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a bowl contains 20 ounces of water. when the bowl is uncovered, the amo…
D. 44
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solve the logarithmic equation. be sure to reject any value of x that i…
\(-4\)
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a bowl contains 20 ounces of water. when the bowl is uncovered, the amo…
# Explanation: ## Step1: Find the amount of water decreased The initial amount of water is 20 ounces, and the remaining amount is 9 ounces. So the amount of water decreased is $20…
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question find the mean of the data set shown in the table below. data s…
92
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question the dot plot below represents the number of letters in the las…
6
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on a quiz there are four multiple-choice questions worth 3 points each …
3.4
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solve the logarithmic equation. be sure to reject any value of x that i…
\(\frac{-9 + \sqrt{33}}{2}\)
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martin puts two bowls of fruit out for his friends. the bowl of grapes …
\(\frac{27}{250}\)
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question examples the dot plot below represents the number of goals sco…
2.5
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the graph below represents the result of a survey in which a number of …
8
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the graph below represents data that was collected by students on the n…
21
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question examples the dot plot below represents the number of goals sco…
6
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julio has two bags of gummy candies. one at a time, he randomly pulled …
$\frac{21}{400}$
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the graph below represents the number of goals scored by the girls socc…
\( 2 \)
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the weights, in pounds, of mikes five pet dogs are listed below. what i…
12
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the graph below represents how long it takes students in an 8th grade m…
10 - 19 minutes
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sort of argument. i stopped. i didn’t mean to eavesdrop, i just hesitat…
### Question 2 1. There is pressure to give Joann an unfair academic advantage due to her father's position (he is on the Board and owns the only store in town). 2. Martha is an o…
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a company rents accessible bikes for people with physical disabilities.…
No, the line \( y = 10x \) is not a good fit for the data because most of the data points in the scatter plot are not close to the line \( y = 10x \) (e.g., at \( x = 2 \), the da…
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let n be the number of oil refineries at t years since 2003. a reasonab…
115
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score: 2/15 penalty: none interpret mixed representations question exam…
10
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eliza volunteers at a library. one day, she counts the number of books …
The probabilities in the table should be equal to the total number of **data points** in each grouping divided by **20 (the total number of data points)**. The probability distrib…
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solve the following logarithmic equation. be sure to reject any value o…
A. The solution set is \(\{49\}\)
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let n be the number of oil refineries at t years since 2003. a reasonab…
\((0,147.62)\)
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question the dot plot below represents the number of goals scored by th…
2
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solve the inequality. jose has scored 560 points on his math tests so f…
The inequality is \( 560 + n \geq 660 \). The solution is \( n \geq 100 \).
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the graph below represents results of a survey in which students stated…
2
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voters’ political orientation, level of political information, and prob…
A. At each point on the political orientation scale, high - information voters were more likely than low - information voters to vote
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in a freshman high school class of 80 students, 22 students take consum…
\( P = \frac{11}{40}+\frac{1}{4}-\frac{1}{20} \) (the first option)
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let n be the number of oil refineries at t years since 2003. a reasonab…
B. It means that the number of refineries are decreasing by about 3.24 per year.
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score: 4/5 penalty: nor interpret box plot question the box-and-whisker…
50
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score: 3/5 penalty: nor interpret box plot question video examples the …
50
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historians agree that buddhism began with the teachings of siddhartha g…
B. He was the buddha who lived most recently.
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solve the following logarithmic equation. be sure to reject any value o…
The solution set is $\{20\}$ (corresponding to option A with the value 20).
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let n be the number of oil refineries at t years since 2003. a reasonab…
\(-3.24\)
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interpret box plot question the box-and-whisker plot below represents s…
50
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16 mark for review which choice completes the text so that it conforms …
B. had doubled
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to estimate the mean score \\( \\mu \\) of those who took the medical c…
41
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question madelyn is a high school basketball player. in a particular ga…
Madelyn made \( 5 \) free throws and \( 8 \) two - point shots.
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unlike australia, new zealand is a ______ which means that all its powe…
A. unitary state
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this graph shows how pepper the puppys weight varies with age. pepper t…
6
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this graph shows how the number of scented soaps devon has left is rela…
20
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a mysterious flying superhero known as blue sky protects the good citiz…
The constant of proportionality (slope) is \(\frac{1}{2}\), and the equation is \( y = \frac{1}{2}x \) (depending on the specific question, but based on the graph, this is the pro…
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this graph shows how the number of pages brad still has to write for a …
1 page
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this graph shows how the distance katy runs depends on the number of tr…
8.5 miles
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this graph shows how the amount of jelly malik has left is related to t…
6.5 ounces
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a mysterious flying superhero known as blue sky protects the good citiz…
The constant of proportionality \( k \) is \( \frac{1}{2} \), and the relationship is \( y = \frac{1}{2}x \) (if the question was to find the proportionality or equation; adjust b…
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this graph shows how the amount of peanut butter whitney has left is re…
5.5 ounces (the option: 5.5 ounces)
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this graph shows how the total length rose has knit depends on the numb…
7.5 centimeters (the option: 7.5 centimeters)
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• in the early first century, all people within the roman empire had to…
Rome considered the earliest followers of Jesus to be Jewish.
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this graph shows how the number of pears lacey has left is related to t…
60 pears
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in response to rising concerns about identity theft, the number of mode…
3.63
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every sunday, vincent and his cousins get together for brunch. this wee…
The constant of proportionality (juice per orange) is 2, and the equation is \( y = 2x \). (Adjust based on the actual question, but following the graph analysis, the unit rate is…
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a persons annual salary increases by $10,725 over an 11-year period. fi…
975
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this graph shows how the number of glasses that rita has left is relate…
200 glasses (the option with "200 glasses")
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(b) compute the value of the correlation coefficient. round your answer…
For part (b): -0.769 For part (c): \(H_0: ho = 0\), \(H_1: ho eq 0\) (assuming a two-tailed test, standard for correlation hypothesis testing)
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the graph shows a system of equations, f(x) and g(x). the table shows t…
The best approximate solution for the system is at \( x \approx 1.25 \) (or the \( x \)-value where \( f(x) \) and \( g(x) \) are closest, typically \( x = 1.25 \) from the table …
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sanjay turns on his oven before putting in a batch of peppermint browni…
The linear model for the oven temperature over time is $y=\frac{70}{3}x + 70$ (where $x$ is time in minutes and $y$ is temperature in °F). If we want to find specific values, we c…
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use common logarithms or natural logarithms and a calculator to evaluat…
1.8086
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a company fills boxes with approximately 23 pounds of oranges. to test …
A. Plausible values for the average weight of all boxes of oranges filled by the company are between 22.91 pounds and 23.29 pounds.
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ron has several solar panels on the roof of his garage and plans to add…
The linear equation modeling the relationship is \(y = 150x+600\) (where \(x\) is the number of solar panels added and \(y\) is the total energy produced). If we assume the questi…
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3 mark for review in a sample, 80% of the items are faulty. there are 8…
110
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given $r = 0.13$, find the coefficients of determination and nondetermi…
0.0169; 1.69%; explained by; 0.9831; 98.31%; not explained by