Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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according to statistics reported on cnbc, a surprising number of motor …
$(0.0818,0.1826)$
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the probability that the san jose sharks will win any given game is 0.3…
\(0.0241\)
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what does the underlined word mean in the following sentence? no hay cl…
It's snowing.
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what does the underlined word mean in the following sentence? ¡qué azul…
It's nice weather.
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a school newspaper reporter decides to randomly survey 19 students to s…
For part (e): \(0.6758\) For part (f): \(0.5216\)
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suppose a life insurance company sells a $170,000 1 - year term life in…
$192.48$
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suppose a life insurance company sells a $220,000 1 - year term life in…
A. The insurance company expects to make a profit of \(19.58\) on every 20 - year - old female it insures for 1 year.
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a simple random sample of 800 individuals provides 300 yes responses. a…
a. \( 0.3750 \) b. \( 0.0171 \) c. \( (0.3415,0.4085) \)
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the graph of the discrete probability to the right represents the numbe…
\(0.072\)
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the graph of the discrete probability to the right represents the numbe…
\(0.216\)
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the graph of the discrete probability to the right represents the numbe…
\(0.112\)
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data analysis and probability interpreting a box - and - whisker plot: …
(a) The same number of fish had a length under 50 as had a length over 50. (b) \(43\) to \(53\)
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a fraction bar also means division and can be used to divide. false true
True
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meaning and accuracy of words which word best fits the blank in the spe…
thrilling
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the graph of the discrete probability to the right represents the numbe…
\(0.199\)
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the graph of the discrete probability to the right represents the numbe…
\(0.115\)
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76 48 67 89 64 67 93 48 77 81 statistics measures of center mean= media…
|Measures of Center|Measures of Spread|5 - Number Summary| |---|---|---| |Mean = \(71\)|Range=\(45\)|Minimum=\(48\)| |Median=\(71.5\)|Standard Deviation\(\approx15.3\)|Lower Quart…
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questions exercise 08.03 algo (population mean: sigma known) a simple r…
a. \(1.2\), \(18.8\) b. \(5.87\), \(14.13\) c. Larger sample provides a smaller margin of error.
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a) how many total days were included in the sample?n = b) how days had …
a) \(n = 25\) b) \(6\) c) \(9\) d) \(19\)
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question 4 (2 points) a researcher was interested in learning more abou…
a) \(n = 125\) b) Population size \(= 26000\)
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the number of puddles depends on the amount of rain. identify the indep…
rain
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question 3 (5 points) data was collected about the favorite sport and g…
a) \(\frac{120}{440}\) b) \(\frac{440 - 100}{440}=\frac{340}{440}\) c) \(\frac{50}{440}\) d) \(\frac{12}{440}\) e) \(\frac{120 + 146-30}{440}=\frac{236}{440}\)
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the number of puddles increases as the amount of rain increases. identi…
number of puddles depends on amount of rain
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authors purpose in the gettysburg address highlighted text from lincoln…
To persuade the audience to fight so that a nation built of, by, and for the people does not perish.
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the number of bruises depends on the number of falls. identify the depe…
bruises
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suppose a cookie jar had 20 cookies. • 10 chocolate chip cookies (c) • …
a) $\frac{10}{20}$ b) $\frac{10 + 7}{20}$ c) $\frac{7}{20}\times\frac{6}{19}$ d) $\frac{10}{20}\times\frac{3}{19}$
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write all answers as fractions (do not simplify). suppose you spin the …
a) \(\frac{6}{12}\) b) \(\frac{6}{12}\) c) \(\frac{4}{12}\) d) \(\frac{6}{12}\times\frac{6}{12}\) e) \(\frac{2}{12}\times\frac{1}{12}\)
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6._____what was the purpose of both the missouri compromise and the com…
6. A. They were meant to peacefully resolve disputes over slavery in U.S. territories. 7. D. Stated that Georgia would support the Compromise of 1850, so long as the federal gover…
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in the probability distribution to the right, the random variable x rep…
\(1.6309\)
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in the probability distribution to the right, the random variable x rep…
This is a discrete probability distribution because all of the probabilities are between \(0\) and \(1\), inclusive, and the sum of the probabilities is \(1\)
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what are the two requirements for a discrete probability distribution? …
A. \(0\leq P(x)\leq1\), B. \(\sum P(x) = 1\)
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the table below shows the amount of carbohydrates in similar servings o…
The graph would have only one bar shorter than the bar for peaches.
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13. analyze and persevere keyon earned $76.00 in interest after 5 years…
I would rather use Jane's bank. Because Jane's interest rate (\(4.1\%\)) is higher than Keyon's (\(3.8\%\)). A higher interest rate means more interest earned on the principal amo…
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26) y = x hint: there is no b term, this means tha the origin (0,0) is …
The graph of \(y = x\) is a straight line passing through the origin \((0,0)\) and the point \((1,1)\) (and other points where \(y\) - value equals \(x\) - value).
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3. mazen has exams coming up in both english and chemistry. he gives hi…
The odds in favour of Mazen passing both tests is \(11:19\)
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question 9 (1 point) when the standard deviation of test scores is smal…
- **Question 9**: d. Scores are close together - **Question 10**: e. A and C
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question 7 (1 point) a correlation of ( r = + 0.10 ) suggests a a stron…
d. A weak positive relationship # Question 8
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20. in a batch of 960 calculators, 8 were found to be defective. what i…
\(0.8\%\)
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17. anthony is making a collage for his art class by picking shapes ran…
\(\frac{8}{13}\)
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16. in a batch of 1160 calculators, 5 were found to be defective. what …
\(0.4\%\)
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15. you select a card at random from the cards that make up the word ep…
\(\frac{21}{110}\)
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12. you roll a pair of number cubes. what is the probability of getting…
\(\frac{1}{4}\)
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12. you roll a pair of number cubes. what is the probability of getting…
\(\frac{1}{4}\)
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question what is the main job performed by the legislative branch? what…
- What is the main job performed by the legislative branch? Making laws. - What does bicameral mean? Having two chambers. - What are proposals for new laws called? Bills. - What i…
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11. you toss a coin and roll a number cube. find p (tail and a six).
\(\frac{1}{12}\)
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10. you take a three - question true or false quiz. you guess on all th…
\(\frac{1}{8}\)
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9. you roll a standard number cube. find p(number greater than 1).
\(\frac{5}{6}\)
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8. you select a card at random from the cards that make up the word epl…
\(\frac{3}{11}\)
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2. a bag contains 5 red marbles and 10 blue marbles. sally selects two …
(a) \(\frac{2}{21}\) (b) \(\frac{10}{21}\)
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question 5: laura goes for a cycle from her house to the post office, 4…
(a) \(15\) minutes. (b) \(16\) km/h. (c) \(20\) minutes. (d) \(12\) km/h.
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question 4: ben drove 60 kilometres, from his home to liverpool. he sto…
(a) \(30\) km/h (b) \(1.5\) hours (c) \(20\) km/h
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1. anthony is making a collage for his art class by picking shapes rand…
\(\frac{4}{13}\)
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question 3: a train travels from milton to redville, stops for 30 minut…
a. \(2\) hours b. \(120\) miles c. \(60\) miles per hour d. \(2.5\) hours e. \(120\) miles f. \(48\) miles per hour
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16. the cost of large boxes of cruncho breakfast cereal at a save rite …
## A. - **Function \(f\) has the greater value for \(x = 0\)**. - **Value for \(f(0)\)**: From the graph, when \(x = 0\) (no boxes bought), \(y=f(0)=4\). For \(g(x)=3x + 20\), whe…
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question 8 1 pts read the sentence from the article. and they thrilled …
encountered very little opposition
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read the excerpt from judith ortiz cofers poem \el olvido.\ a bare, col…
establishing the meaning of words in English and Spanish
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question 2: emma travelled to her grandmothers house and back. the dist…
(a) \(7:00\) am (b) \(20\) miles (c) \(1\) hour (d) \(10:00\) am (e) \(15\) miles (f) \(80\) miles
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the following is an excerpt from a speech by a reknown plumber. he or s…
A. C.
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5. question 5: when creating an xy scatter plot in excel, what does the…
A. It displays a line of best fit for the data points
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question lo 1 the term present value means answer the value on a given …
the value on a given date of a future payment or series of future payments, discounted to reflect the time value of money
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in the 1990s, singer - songwriter alanis morissette titled a song, \you…
acquire new behaviors through experience.
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read the excerpt from \mother tongue.\ and here you would be presented …
Tan discusses achievement tests to support the idea that language cannot be separated from the personal meanings and experiences attached to it.
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8. what proportion of adults have credit card debt? a financial institu…
C. Yes, the lower and upper bounds of the confidence interval are not correct.
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question 19 consider the boxplot below. 24 27 29 36 42 a. what quarter …
a. Second b. \(2\) c. Third d. \(7\) e. \(9\) f. \(30 - 36\) g. \(30.4\)
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find the exponential model of best fit for the points $(-3,5),(1,12),(5…
The exponential model of best - fit is \(y = 12\times(1.41)^{x}\).
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amount of money spent on entertainment (in dollars) number of hours wor…
(a) increase (b) a positive (c) \(\$20\) (approximate value based on the line of best fit in the scatter - plot)
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(a) for these 24 students, as the time spent watching tv increases, the…
(a) decrease (b) negative (c) \(18\) hours
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vocabulary question: what is an artifact? artifact means a comprehensio…
Artifact means a human - made object of historical or cultural interest. Early humans faced barriers like harsh climates, predators, and resource scarcity. They overcame them thro…
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now there could be no doubt about what was intended for us. with my ver…
destruction of a nation - state
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the salaries of the employees at four companies are summarized below. a…
(a) C. Company C (b) A. Company A
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the test scores of the students in four classes are summarized below. a…
(a) Class D. (b) Class A.
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central ideas - \society unfairly judges people based on their ability …
Language rules are less important than the meaning and passion the speaker conveys.
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(a) a yoga instructor collected student data. she found that students w…
- (a) There is a correlation between amount of sleep and range of motion. There may or may not be causation. Further studies would have to be done to determine this. - (b) There i…
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the data points show the area y (in square kilometers) that a certain f…
(a) Figure 2 (b) \(701.02\) square kilometers
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a. express the quantified statement in an equivalent way, that is, in a…
a. C. Not all math tests are fun. b. All math tests are fun.
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10. a 90% confidence interval is constructed in order to estimate the p…
D. \(0.604\) to \(0.676\)
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a. express the quantified statement in an equivalent way, that is, in a…
a. B. At least one car is red. b. No cars are red.
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a. express the quantified statement in an equivalent way, that is, in a…
a. A. There are no beetles that are not carnivorous. b. Some beetles are not carnivorous.
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8. what proportion of adults have credit card debt? a financial institu…
C. Yes, the lower and upper bounds of the confidence interval are not correct.
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what colour means traitor? black and dark green light pink yellow red
yellow
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7. blane and steph are each attempting to estimate the proportion of ad…
E. Blane’s interval must have been calculated incorrectly.
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6. a random sample of 600 high school students are asked about their fa…
B. 0.183 to 0.237
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5. a total of 10,000 professionals attend a medical conference, and a r…
E. None of the above answer options are correct.
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4. two researchers, researcher a and researcher b, independently survey…
A. Researcher A’s interval is more accurate than Researcher B’s interval since Researcher A surveyed a larger sample.
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3) calculate the population standard deviation (σ). σ=√(∑(x−μ)^2/n)=5.3…
$14.41$
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4. the table below shoes the number of pounds of apples grown last year…
A. \(\frac{5}{24}\)
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what does denotation mean? (1 point) ○ the idea or feeling a word invok…
the literal meaning of a word
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what does connotation mean? (1 point) ○ subtle differences in the meani…
subtle differences in the meanings of words
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which phrase best describes a characteristic of a morpheme? (1 point) o…
the smallest meaningful unit in a language
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match the definition with the part of speech. (2 points) words or expre…
Pronouns - words that replace nouns in a sentence. Conjunctions - connect words, phrases, and clauses. Prepositions - express relationships between words or phrases. Interjections…
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5. the height of a rocket, at selected times, is shown in the table bel…
3) The rocket was in the air approximately 6 seconds before hitting the ground.
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a political pollster selects a random sample of 75 registered voters fr…
chi - square test for association/independence because the data come from one random sample.
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a researcher wanted to study the tendency of our choices to be influenc…
chi - square test for homogeneity because the data come from independent treatment groups
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a researcher wanted to study the tendency of peoples choices to be infl…
No, the problem statement is incomplete. But if we assume the options are about the three common conditions (random, 10% and large counts) for a chi - square test of homogeneity: …
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a study is conducted in a large high school to determine if the proport…
chi - square test for homogeneity because the data come from independent random samples
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complete the sentence with the word that best fits the overall meaning …
imploring
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a political pollster selects a random sample of 75 registered voters fr…
\(7.0\)
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question the number of newly reported crime cases in a county in new yo…
The linear regression equation is \(y=-13.7x + 1099.3\) and the year is approximately \(2029\)
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complete the sentence with the word that best fits the overall meaning …
B. a convoluted
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a study is conducted in a large high school to determine if the proport…
\(0.7\)