Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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line 1: $y = \\frac{1}{2}x + 3$ line 2: $y = x + 4$ this system of equa…
consistent independent; a unique solution; Solution: \((-2,2)\)
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which data set could be represented by the box plot shown below? choose…
C. \(16,16,16,20,21,21,23,25,26,26,28,28\)
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complete the frequency table for the following set of data. you may opt…
| Interval | Frequency | |--|--| | \(0 - 1\) | \(4\) | | \(2 - 3\) | \(3\) | | \(4 - 5\) | \(6\) | | \(6 - 7\) | \(5\) |
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determine whether each statement is true or false. if the statement is …
A. This statement is false. "And" probabilities can be determined using the formula \(P(A\ \text{and}\ B)=P(A)\cdot P(B)\) only if \(A\) and \(B\) are independent. Otherwise, they…
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consider a political discussion group consisting of 7 democrats, 6 repu…
\(\frac{35}{306}\)
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each of these relationships reflects a correlation. which relationship …
Owning more TVs is associated with owning more remote controls.
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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a clinical test on humans of a new drug is normally done in three phase…
\(\frac{1}{1287}\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y=\frac{7}{18}x + 5\)
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how can a reader trace how an author develops a central idea throughout…
by determining the central idea of each paragraph, by identifying the most important details used to support the central idea of each paragraph, by analyzing how the author uses c…
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refer to explorations in literature for a complete version of this stor…
"George was toying with the vague notion that maybe dancers shouldn't be handicapped."
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read this excerpt from \the raven.\ what this grim, ungainly, ghastly, …
B. scarier.
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read the excerpt from lee childs \a simple way to create suspense\. lik…
There has to be this peeling away of the onion, where you get to the core of the character as the story unfolds.
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for each statement about the selection of distribution channels, select…
- First statement: False - Second statement: True - Third statement: True
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a survey found that womens heights are normally distributed with mean 6…
a. A. No, because only a small percentage of women are not allowed to join this branch of the military because of their height. b. The branch of the military requires women’s heig…
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the lengths of pregnancies are normally distributed with a mean of 267 …
a. A. The result suggests that either a very rare event occurred or the husband is not the father. b. 241
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a population has a mean $\\mu = 72$ and a standard deviation $\\sigma =…
$\mu_{\bar{x}} = 72$; $\sigma_{\bar{x}}=1$
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one card is randomly selected from a deck of cards. find the odds in fa…
\(1:1\)
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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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you are dealt one card from a 52 - card deck. find the probability that…
\(\frac{43}{52}\)
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determine whether the statement is true or false. if the statement is f…
C. False, if probabilities of events \(A\) and \(B\) are not mutually exclusive events then the probability that \(A\) or \(B\) will occur is determined by adding their individual…
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7. the data on the right represent the number of traffic fatalities by …
a. \( 0.6837 \) b. \( 0.501 \) c. No, since \( P(\text{male}\cap\text{driver}) eq P(\text{male})\times P(\text{driver}) \) d. No, since \( n(\text{male}\cap\text{driver}) eq0 \)…
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read the passage from \i know why the caged bird sings.\ she smiled tha…
It helps the reader to infer that Marguerite is perceptive.
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express the following probability as a simplified fraction and as a dec…
\(\frac{143}{251}\)
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use the spinner shown. it is equally probable that the pointer will lan…
\(\frac{49}{64}\)
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if you are dealt 3 cards from a shuffled deck of 52 cards, find the pro…
\(0.001086\)
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use the spinner shown. it is equally probable that the pointer will lan…
\(\frac{9}{16}\)
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you are given the sample mean and the population standard deviation. us…
A. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the se…
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read the excerpt from \dorothea lange.\ early on in her training, she s…
stayed away from
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the table shows the height, in meters, of an object that is dropped as …
According to the line of best fit, the object would have hit the ground \(0.6\) seconds later than the actual time the object hit the ground.
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read this paragraph from chapter 5 of the prince. whenever those states…
There are three means of holding a newly acquired state that is accustomed to freedom.
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which text best completes the sentence? visitor statistics indicate tha…
a more popular tourist destination than Yosemite National Park
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find the critical value ( z_{c} ) necessary to form a confidence interv…
\(1.34\)
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2 the graph shows the amounts of almonds, in grams, for different amoun…
\(k = 25\). The value of \(k\) means that there are 25 grams of almonds per cup of oats in the granola mix.
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a researcher wishes to estimate, with 90% confidence, the population pr…
B. Having an estimate of the population proportion reduces the minimum sample size needed.
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use the given confidence interval to find the margin of error and the s…
\(\hat{p}=0.632\)
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let p be the population proportion for the following condition. find th…
$0.800$
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the grade point averages (gpa) for 12 randomly selected college student…
\((1.29,3.33)\)
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find the critical value $t_{c}$ for the confidence level $c = 0.98$ and…
\(t_{c}=2.518\)
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use the standard normal distribution or the t - distribution to constru…
A. The \(90\%\) confidence interval is \((25.32,28.48)\) B. With \(90\%\) confidence, it can be said that the population mean BMI is between the bounds of the confidence interval.
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in a random sample of five mobile devices, the mean repair cost was $65…
B. With 99% confidence, it can be said that the population mean repair cost is between the bounds of the confidence interval.
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read paragraph 28. the rich man saddled his best horse and rode with sp…
It indicates the words are describing how the rich man behaved.
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test 3 score: 1.75/6 answered: 2/6 question 3 a manufacturer knows that…
\(0.955\)
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test 3 score: 0.75/6 answered: 1/6 question 2 a manufacturer knows that…
\(0.9957\)
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the venn diagram below shows the number of people in a room. how many w…
How many women are in the room? \(23\) How many men are in the room? \(25\) How many parents are in the room? \(21\) How many people in the room are not parents? \(27\) How many m…
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find probabilities for the standard and non - standard normal distribut…
a. \(0.0188\) b. \(0.0192\) c. \(0.6420\) d. \(0.8099\)
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find the standard deviation of the data set below. if necessary, round …
First data set: \(6.38\) Second data set: \(6.95\) Third data set: \(4.84\)
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find the variance of the data set below. if necessary, round to the nea…
For the first data set (variance): \(21.29\). For the second data set (standard deviation): \(7.84\). For the third data set (standard deviation): \(6.27\).
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find the variance of the data set below. if necessary, round to the nea…
\(21.29\)
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find the variance of the data set below. if necessary, round to the nea…
43.49, 39.35, 61.5
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find the interquartile range of the data set below. 33, 36, 40, 43, 43,…
10.5 9.5 40.75
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test 3 score: 0/6 answered: 0/6 question 1 find probabilities for the s…
a. \(0.5987\) b. \(0.0197\) c. \(0.4951\) d. \(0.6670\)
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find the range of the data set below. 9, 9, 11, 12, 15, 17, 17, 20, 20,…
13 25 21
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question 1 2 pts find the range of the data set below. 33, 36, 40, 43, …
Question 1: \(20\) Question 2: \(19\)
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test 2 score: 9/10 answered: 9/10 question 10 giving a test to a group …
\(\frac{52}{67}\)
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suppose a jar contains 7 red marbles and 14 blue marbles. if you reach …
\(\frac{1}{10}\)
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test 2 score: 6/10 answered: 6/10 question 7 a quick quiz consists of a…
4.2
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test 2 score: 5/10 answered: 5/10 question 6 a coin will be tossed twic…
(a) Yes (b) \(\frac{1}{4}\)
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the word implacable contains the latin prefix im-, which indicates not …
For the first question: unable to be calmed or pleased For the second question: Midori is always calm and smiling.
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test 2 score: 3/10 answered: 3/10 question 4 use the spinner below. wha…
\(\frac{1}{12}\)
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test 2 score: 2/10 answered: 2/10 question 3 a poll showed that 70% of …
30.0
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test 2 score: 1/10 answered: 1/10 question 2 a group of people were ask…
$0.509$
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9 punctuation practice: add commas, semicolons, colons, or dashes as ne…
Sentence: The philosopher's lecture delved into existential questions about the meaning of life.
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near the end of letter from birmingham jail, king says, i have no fear …
We should never forget that everything Adolf Hitler did in Germany was 'legal' and everything the Hungarian freedom fighters did in Hungary was 'illegal'
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test 1 score: 8.72/10 answered: 9/10 question 10 historically, heights …
at least 93.75%
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which of the following situations best illustrates the meaning of yearn…
- First question: "wishing for signs of springtime during the depths of an icy winter" - Second question: "in a lazy, unfocused way"
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test 1 score: 6.72/10 answered: 7/10 progre question 8 a survey of a po…
$11.5$
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we are going to calculate the standard deviation for the following set …
1) \(\bar{x}=6.8\) 2) | \(x\) | \(x-\bar{x}\) | \((x - \bar{x})^{2}\) | |---|---|---| | \(15\) | \(8.2\) | \(67.24\) | | \(3\) | \(-3.8\) | \(14.44\) | | \(9\) | \(2.2\) | \(4.84\…
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test 1 score: 4.72/10 answered: 5/10 question 6 based on the frequency …
\(25.8\%\)
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using the consumer products classification system, which of the followi…
- First question: It has a long distribution channel. - Second question: compatibility
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the following data set outlines the scores students had on an algebra t…
i) The frequency table is filled as follows: | Score | Frequency | | ---- | ---- | | \(40 - 49\) | \(2\) | | \(50 - 59\) | \(3\) | | \(60 - 69\) | \(5\) | | \(70 - 79\) | \(4\) | …
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the hits to a website occur at the rate of 8 per minute between 7:00 p.…
\(\lambda = 64\)
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based on the frequency distribution above, find the cumulative frequenc…
\(27\)
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question 2 find the 5 number summary for the data shown 5 number summar…
\(5,13,34,74,99\)
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read the following quote: \at last, in 1611, was made, under the auspic…
A. This quote should be directly quoted in order to preserve a statement that is exceptionally well - written.
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find the mode for this list of numbers 18 97 41 16 51 66 26 34 32 69 32…
\(32\)
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read the following passage: \social media is barely a decade old, but i…
C. Social media was projected to strengthen democracy but may end up destroying it instead.
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read the excerpt from \keynote address\ under the health measures first…
by presenting numerous facts and statistics
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how was the federal deposit insurance corporation meant to prevent anot…
C. By preventing bank runs
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the following question refers to a hypothetical situation. you are a me…
Privileges: Influence over major fiscal policies. Restrictions: Adherence to legislative and ethical norms. Duties: Draft, review, and propose tax, trade, and entitlement - relate…
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what does the word sustainable mean as it is used in paragraph 1 of the…
can be maintained
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on the news, a reporter says, \though the bill passed the upper house, …
B. The Senate passed the bill, but the House of Representatives rejected it.
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latrice is planning her towns juneteenth celebration. she needs more th…
Latrice needs to sign up more than \(12\) dancers to fill the schedule.
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reread the part of the passage in the box. after some people laid flowe…
thought about what the new year would bring
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unit: informed opinions through causal chains progress question id 6402…
can be maintained
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which of the following statements accurately describes the result of a …
C. Fewer taxed workers than beneficiaries means that more money is being drawn from the system for the money put in. This leaves a shortage of money in the system making benefits …
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tourists flocked to the top of the skyscraper to enjoy the panoramic vi…
all around
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complete the paragraph with the phrase that is closely related to the m…
bring it back
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ben looked forward to meeting his cousins at their favorite campsite ev…
looked forward to
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when kat started at her new school, she thought it was important to be …
changed
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many movie scenes have been filmed in times square, a famous new york c…
three minutes at a time
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bobbys football team received four five - yard penalties in the first q…
-20 yards
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elsa has a very vibrant personality. she loves to be around people, and…
Energetic; cheers up
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4. what is the value of ( f(-2) ) of the polynomial ( f(x)=-x^{3}+x + 1…
A. \(f(-2)=7\); this means that \((x + 2)\) is not a factor of \(f(x)=-x^{3}+x + 1\)
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to \chunk\ an assignment means ○ to take breaks during work on a large …
to break a large assignment into smaller parts.
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a computer company that recently developed a new software product wante…
Lower bound: \(1.89\) Upper bound: \(2.47\)
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a sample of 20 managers was taken, and they were asked whether or not t…
Lower bound: \(28.0\%\) Upper bound: \(72.0\%\)
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most agricultural firms are _______________ meaning they accept the pri…
- First question: Price Takers - Second question: The Market Supply Curve
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first read: concept vocabulary identify the choice that best answers th…
C. A store accidentally overcharges a customer and offers a refund.
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why do americans think that violent crime is a more serious problem tha…
because the media over - report violent crime