Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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the heights of fully grown trees of a specific species are normally dis…
The mean of the sampling distribution is \(\mu_{\bar{x}} = 70.5\). The standard error of the sampling distribution is \(\sigma_{\bar{x}}\approx1.88\).
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these items were found on petes desk. make a tally mark | for each item…
1. 3 erasers 2. 3 more crayons 3. Pencil 4. 11 pens and pencils
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consider the following passage from an article about teenagers and anxi…
The first option.
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find the margin of error for the given values of c, σ, and n. c = 0.95,…
\( 0.613 \)
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express the following probability as a simplified fraction and as a dec…
\(\frac{116}{121}\)
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the numbered disks shown are placed in a box and one disk is selected a…
\(\frac{1}{7}\)
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consider a political discussion group consisting of 6 democrats, 6 repu…
\(\frac{12}{35}\)
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e a table about the fruit in e picture. then use the table to answer ea…
1. 5 bananas 2. 1 more apple 3. Watermelon 4. Bananas 5. 7 strawberries 6. Mike
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wanda works for a small company that sells books online and is responsi…
\( w \)
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use the spinner shown. it is equally probable that the pointer will lan…
\(\frac{1}{12}\)
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is dylans work correct? no, because the rate of change should be negati…
The rate of change is \(-8\), which means Dylan's distance from home decreases by \(8\) miles every hour.
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you are dealt one card from a 52 - card deck. find the probability that…
$\frac{7}{13}$
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the table shows the distribution, by age, of a random sample of 3610 mo…
\(\frac{255}{361}\)
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the table shows the distribution, by age, of a random sample of 3450 mo…
\(\frac{272}{345}\)
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if you are dealt 4 cards from a shuffled deck of 52 cards, find the pro…
\(0.002641\)
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a city council consists of eight democrats and eight republicans. if a …
\(\frac{28}{65}\)
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read this sentence from paragraph 47. the three wishes of the kind and …
C. Satisfied
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tyrone, maria, simone, jim, and sarah have all been invited to a dinner…
a. \(120\) b. \(6\) c. \(\frac{1}{20}\)
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the table shows the distribution, by age and gender, of the 28.2 millio…
\(0.02\)
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the table shows the distribution, by age and gender, of the 29.0 millio…
\(0.48\)
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who among the following is most likely explaining the role of schools i…
- First Question: a. Susan, who states that school experiences of students differ on the basis of their social class, their racial - ethnic background, and their gender - Second Q…
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a single die is rolled twice. the 36 equally - likely outcomes are show…
\(0\)
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the senate in a certain state is comprised of 52 republicans, 47 democr…
\(23880100\) committees can be formed.
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line 1: $y = \\frac{1}{3}x$ line 2: $y = \\frac{1}{3}x + 1$ this system…
The system of equations is: inconsistent. This means the system has: no solution.
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system a line 1: $y = - \\frac{1}{2}x - 2$ line 2: $x + 2y = - 4$ this …
- The system of equations is: consistent dependent. - This means the system has: infinitely many solutions.
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you volunteer to help drive children at a charity event to the zoo, but…
\(31824\)
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santa looks a little ______, meaning that he has a pale complexion, fro…
pasty
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question #1 use the residual plot below to state what conclusion can be…
The regression equation is a good model because there appears to be no obvious pattern. # Question #2 Let \(x\) be the number of pets and \(y\) be the cost of pet food. We have \(…
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read the excerpt from \the caged bird.\ but a caged bird stands on the …
The caged bird has had his hope destroyed.
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the weights of the chocolate in hershey kisses are normally distributed…
a. \(1\) b. \(4.5338\) g c. \(4.5338\) g d. \((0.1039)^{2}=0.0108\) g²
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review the excerpt from the code book. cryptanalysts realize that their…
mysterious
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what do literary critics do when they make interpretations? a. they pro…
D. They give their opinions on the deeper meanings of a story.
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complete the sentence. bernie knew that he had heard the word auspiciou…
use the word in a sentence
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use technology to construct the confidence intervals for the population…
The confidence interval for the population variance is \((3.67,17.71)\)
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embark most nearly means a preserve. b welcome. c humiliate. d commence.
D. commence.
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use technology to construct the confidence intervals for the population…
The confidence interval for the population variance is \((3.67,17.71)\)
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7. economic freedom means people have the right to: make their own econ…
Make their own economic decisions
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4. match the fiscal policy term to its meaning: 1. revenue a. money spe…
1. Revenue - c. Money raised by government 2. Taxes - b. Mandatory payments to government 3. Expenditure - a. Money spent by government
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answer the questions below. (a) the 9 participants in an experiment had…
a. Median b. Mode c. Mean
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question 2 (2 points) please answer the following question in your own …
A CPI of 155 means that, on average, prices have increased by 55% compared to the base period (which is set at 100). So, things cost more now than they did in the base period.
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answer the questions below. (a) the following number of people attended…
(a) Mean (b) Mean (c) Mode
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scotty climbed onto the platform and sat on the stool. without a glance…
Sequential order is used to present the events in the order they occur.
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read this excerpt from \like mexicans.\... i ignored them and climbed t…
someone who is from the West and whose parents are from the West
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use technology to construct the confidence intervals for the population…
\((4.00,16.46)\)
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find the critical values $chi ^{2}_{l}$ and $chi ^{2}_{r}$ for the give…
\(\chi_{R}^{2}=42.557\)
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find the critical values $\\chi^{2}_{l}$ and $\\chi^{2}_{r}$ for the gi…
\(17.708\)
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find the critical values $\\chi^{2}_{l}$ and $\\chi^{2}_{r}$ for the gi…
\(31.410\)
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spotlight sports company makes snowboards, downhill skis, cross - count…
Snow Sports Residual Income: $174,000; Non - snow Sports Residual Income: $390,000. Both divisions have positive residual income. For Snow Sports, \(RI = 174000>0\), meaning it ea…
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(mc) the excerpt below is from the general introduction to tuskegee and…
Education teaches how to be successful in work and everyday struggles.
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find the critical values $chi^{2}_{l}$ and $chi^{2}_{r}$ for the given …
\(10.851\)
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(lc) the excerpt below is from the general introduction to tuskegee and…
They sought training in useful, industrial activities.
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find the critical values $chi_{r}^{2}$ and $chi_{l}^{2}$ for the given …
\(\chi_{L}^{2}=8.907\)
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how can a reader trace how an author develops a central idea throughout…
By looking for the denotative and the connotative meanings of the author's words, by determining the central idea of each paragraph, by identifying the most important details used…
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a. find a power function that models the data. b. find a linear functio…
The linear function is \(y = 7.829x-6.735\)
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why did these scientist decide to use the sampling method? because they…
Because it would save them time and money.
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what is the difference between a total count and a sample count? total …
Total count gives an exact number, while sample count gives an estimate of the population.
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a. find a power function that models the data. b. find a linear functio…
a. The power function is \(y = 5x^{0.848}\) b. The linear function is \(y=7.829x - 6.735\) c. The power function \(y = 5x^{0.848}\) is a better fit for the data.
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read the excerpt from \a quilt of a country.\ america is an improbable …
metaphors, loaded language, contradictions, imagery
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find the quadratic function that is the best fit for ( g(x) ) defined b…
The quadratic function is \(y = 0.4x^{2}-1x + 4\)
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the context of a piece of writing is the ○ environment in which it was …
environment in which it was written.
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2. what does the word haunt most closely mean in paragraph 20? a. a pla…
A. a place frequented by a group
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find the quadratic function that is the best fit for ( f(x) ) defined b…
The quadratic function is \(y = 101.00x^{2}+13.66x+0.00\)
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find the critical values $\\chi_{r}^{2}$ and $\\chi_{l}^{2}$ for the gi…
\(32.852\)
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question #10 a set of data has the following frequency distribution. wh…
Mode
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question 3 find ( p(zgeq - 0.57)=)_________
\(0.7157\)
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question #9 find the mean of the following data set: 10, 20, 30, 40, 50…
\(50\)
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question #7 if every data value in a set of data occurs only once, what…
Question #7: No mode Question #8: 76
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question #5 the temperature in degrees fahrenheit for 20 days during th…
Question #5: \(74\) and \(76\) Question #6: \(75\)
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question #3 the front row of a movie theater has 23 seats. if you sit i…
12
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question #1 find the median of the data set: 18, 36, 24, 36, 30 and 36 …
Question #1: \(33\) Question #2: \(50\)
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grace wexler tacked her sign to the elevator wall as she rode up to her…
Feeling stressed by the amount of demands placed on a person.
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this chapter quiz is for chapter 6. this quiz is not timed. you will ha…
Question 1: \(0.1075\) Question 2: \(0.5120\)
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of the 44 plays attributed to a playwright, 18 are comedies, 14 are tra…
\(9:13\)
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this chapter quiz is for chapter 6. this quiz is not timed. you will ha…
Question 1: \(0.1075\) Question 2: \(0.5120\)
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write two to three sentences explaining how the secrecy of romeo and ju…
Juliet's parents want her to marry Paris. Her secret marriage to Romeo means she must deceive her parents. This deception strains their relationship as she hides her true feelings…
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how many different simple random samples of size 5 can be obtained from…
\(237336\)
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of the 36 plays attributed to a playwright, 13 are comedies, 11 are tra…
\(23:13\)
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one card is randomly selected from a deck of cards. find the odds in fa…
\(1:3\)
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each of these relationships reflects a correlation. which relationship …
When metalworkers make more iron staircase railings, they produce more green fences.
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the 10 participants in an experiment had the following reaction times (…
None
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in a survey, 11 people gave the following ratings for a local politicia…
$89$
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the game of scrabble has 100 tiles. the diagram shows the number of til…
\(\frac{2}{25}\)
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the game of scrabble has 100 tiles. the diagram shows the number of til…
\(\frac{67}{100}\)
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the table shows the educational attainment of the population in a certa…
\(\frac{121}{155}\)
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you are dealt one card from a 52 - card deck. find the probability that…
\(\frac{7}{13}\)
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which are two characteristics of direct distribution that differ from f…
Direct distribution is also known as a zero level channel. The manufacturer controls all aspects of distribution.
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a single, six - sided die is rolled. find the probability of rolling an…
\(\frac{5}{6}\)
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you randomly select one card from a 52 - card deck. find the probabilit…
\(\frac{1}{26}\)
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which sales channel has been opened to manufacturers because of digital…
Direct - to - Consumer
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you randomly select one card from a 52 - card deck. find the probabilit…
\(\frac{2}{13}\)
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the table shows the distribution, by age, of a random sample of 3850 mo…
\(\frac{26}{35}\)
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question #4 use the residual plot below to state what conclusion can be…
The regression equation is a bad model because there appears to be an obvious pattern.
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question #8 use the given data set to determine the correlation coeffic…
- 0.932
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using the following data set, run a linear regression to determine the …
\(r = 0.6241\), there is not a significant relationship between the variables.
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determine the critical pearson correlation coefficient for the table be…
\(\pm0.834\)
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when running a regression consisting of 9 data points, the linear regre…
Yes, because \(0.829 > 0.798\) (i.e., the third option: Yes, because \(829>798\))
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question #13 determine the r - value for the data set below. 0.871 0.81…
\(0.930\)
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when running a linear regression with 32 data points, the r value was f…
Negative and significant.
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accel sports company makes snowboards, downhill skis, cross - country s…
Snow Sports: $20.3\%$, Non - snow Sports: $21\%$. The non - snow sports division has a slightly higher profit margin ratio than the snow sports division. This means that for every…
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use the given data set to determine the correlation coefficient r. age …
.999