Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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question 2 of 25 the amount of water dispensed by a water dispenser is …
C. 11.35 ounces to 12.85 ounces
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question 9 of 10 which confidence level would produce the widest interv…
C. 57%
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question 8 of 10 suppose that, based on a sample, the 95% confidence in…
C. 73
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question 7 of 10 which sample size will produce the widest 95% confiden…
A. 40
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question 2 of 10 an 80% confidence interval for a proportion is found t…
A. 0.02
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question 5 of 10 if a sample mean is 32, which of the following is most…
C. (28, 36)
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question 4 of 10 a 90% confidence interval is found to be (32, 48). wha…
C. 8
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question 3 of 10 if a sample proportion is 0.28, which of the following…
C. (0.17, 0.39)
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question 1 of 10 which confidence level will produce the widest confide…
D. 96%
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question 10 of 10 ethan rolls a 6 - sided number cube. what is the prob…
C. $\frac{1}{3}$
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you and a friend are playing a game by tossing two coins. if both coins…
C. No. You have a $\frac{1}{4}$ probability of winning, while your friend has a $\frac{1}{2}$ probability of winning.
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question 8 of 10 which of the following is not a possible value for a p…
D. 1.001
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mr. piper is driving roddy and scott home from school. they both want t…
A. Roll a number cube. If it lands on an even number, Roddy wins. If it lands on an odd number, Scott wins. D. Put each person's name on a separate piece of paper in a bag. Random…
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question 5 of 10 a bag has 4 balls: 1 red (r), 1 green (g), 1 yellow (y…
C. {R, G, Y, O}
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two friends argue over who brushes their teeth more often. to settle th…
B. Arabella. She has a 0.64 probability of brushing both times.
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question 2 calculate the mean and median of the dataset shown. {202, 19…
mean = 225.25, median = 212.5
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question 25 of 25 if a sample proportion is 0.65, which range of possib…
D. (0.6, 0.69)
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question 24 of 25 the amount of water dispensed by a water dispenser is…
B. 11.15 ounces to 12.05 ounces
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question 22 of 25 a randomly generated list of integers from 0 to 7 is …
D. 50%
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question 21 of 25 if a population is ____, a sample of the population c…
A. all customers at a shopping mall; people who purchased shoes
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question 18 of 25 which confidence level would produce the widest inter…
A. 99%
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question 17 of 25 suppose a normal distribution has a mean of 62 and a …
D. 81.9%
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question 16 of 25 a 90% confidence interval for a proportion is found t…
C. 0.55
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question 15 of 25 a 90% confidence interval is (35, 45). what is the ma…
C. 5
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question 14 of 25 the following set of random numbers represents 20 sim…
D. 4
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question 13 of 25 in a normal distribution, 68% of the data fall within…
B. One standard deviation
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question 12 of 25 which number of simulation trials would be likely to …
A. 30
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question 10 of 25 suppose a normal distribution has a mean of 89 and a …
C. 0.16
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question 9 of 25 suppose the heights of the members of a population fol…
A. 63 inches to 81 inches
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question 8 of 25 if there are 22 successful outcomes in a sample with a…
D. 0.44
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twenty members of a health club who jog were asked how many miles they …
| Stem | Leaves | |------|--------| | 0 | 4 5 6 7 | | 1 | 1 2 4 4 7 8 8 9 | | 2 | 0 4 4 5 9 | | 3 | 2 4 | | 4 | 0 |
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two friends, andrew and liz, are playing a game using this spinner. if …
A. No. Andrew has a $\frac{1}{8}$ probability of winning and Liz has a $\frac{1}{4}$ probability of winning.
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question 6 of 25 eugenia rolls a six - sided number cube. what is the p…
A. $\frac{2}{3}$
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to estimate the percentage of a states voters who support the current g…
C. The Tribune, at 73%
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question 4 of 25 which option is an example of an experiment? a. testin…
A. Testing the effectiveness of a new reading program by allowing a classroom to use it and comparing the results with another classroom that doesn't use it
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a bag has 3 balls: 1 orange (o), 1 green (g), and 1 blue (b). a coin ha…
D. {OH, OT, GH, GT, BH, BT}
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the data to the right represent the cost of living for 20 states. the c…
| Cost of living | Number of states | |----------------|------------------| | 88.0-99.9 | 12 | | 100.0-111.9 | 1 | | 112.0-123.9 | 2 | | 124.0-135.9 | 3 | | 136.0-147.9 | 0 | | 14…
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the accompanying data represent the approximate population, in millions…
| Population (millions of people) | Number of Cities | |----------------------------------|------------------| | 7.0 – 7.9 | 6 | | 8.0 – 8.9 | 2 | | 9.0 – 9.9 | 3 | | 10.0 – 10.9 …
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the accompanying table gives the number of copies sold for 30 top - sel…
| Copies Sold (millions) | Number of Books | |-------------------------|-----------------| | 0-99 | 21 | | 100-199 | 5 | | 200-299 | 1 | | 300-399 | 2 | | 400-499 | 0 | | 500-599 …
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prudence means acting with ________. a. self restraint b. fairness c. c…
C. Caution
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the table to the right shows the median age that a person from a certai…
B. [Graph with vertical axis range 0 to 50]
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the table to the right shows the average price of a movie ticket in a c…
(Note: Since the exact visual details of the options are not fully clear from the description, the correct choice is typically the graph where the vertical axis spans a small inte…
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10. a researcher reports an f - ratio with df = 4, 62 from an independe…
The number of treatment conditions is \(\boldsymbol{5}\). ### Part (b)
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8. a researcher uses an anova to compare six treatment conditions with …
\( df_{\text{total}} = 71 \), \( df_{\text{between}} = 5 \), \( df_{\text{within}} = 66 \)
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jaren is going to fill up his pool after he has completed needed pool r…
C. It will take 31.25 hours to fill the pool after Jaren has repaired it.
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the height of a lake decreases by 20 in over a period of time. the heig…
D. The time it takes for the lake to decrease in height by 20 in is 4 weeks.
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medical sociology is the systematic study of: how humans manage issues …
How humans manage issues of health and illness, disease and disorders, and health care for both the sick and the healthy
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the importance of volunteering maun rajo todays high school students le…
C. exhausting
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a library loans out 3 books every day for a week and no books are retur…
C. The change in the number of books at the library over the course of the week was $- 21$.
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which of the following explanations would describe the meaning of the e…
B. Rodney has $70 in his savings account. He collects $100 for two lawns that he has mowed at $50 each. After Rodney deposited the money collected into his savings account, he has…
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mounds of history elizabeth klover 1looking at the elowan indian mounds…
D. important
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jaren is going to fill up his pool after he has completed needed pool r…
C. It will take 31.25 hours to fill the pool after Jaren has repaired it.
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fill in the blank question the root word means head. need help? review …
cephal (or capit - either is acceptable, with cephal being more commonly associated with the root meaning head in etymological studies)
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jaren is going to fill up his pool after he has completed needed pool r…
C. It will take 31.25 hours to fill the pool after Jaren has repaired it.
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in suburbs of large cities,15 new residents move in each year. of those…
C. After five years, there are 60 new residents in a suburb.
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danika runs an adoption shelter for dogs. she adopts out twenty - four …
C. The dog population in the shelter decreased by an average of 8 dogs each day of the three - day weekend.
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in suburbs of large cities,15 new residents move in each year. of those…
C. After five years, there are 60 new residents in a suburb.
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what can themes in literature teach readers? a. universal truths about …
1. A. Universal truths about life 2. B. They hint at deeper meanings.
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mr. munoz gave his students the following expression to simplify as the…
A. Julian is incorrect because \(\sqrt{24}\) results in a non - repeating, non - terminating decimal. This means it is an irrational number, and the sum will also result in an irr…
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question 24 not yet answered points out of 1.00 flag question pizza hut…
a. \(\mu > 40\) ### Question 25
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determine the critical value for a one tailed test with a sample size o…
\(2.224\)
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which is an example of using pathos as part of an argument for raising …
A. pictures of ownerless, homeless, and starving dogs and cats
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one study claimed that 65% of teenagers wear a seat belt while driving.…
Question 16: b. \(p < 0.65\) Question 17: \(0.58\) Question 18: \(-2.05\) Question 19: \(-1.67\) Question 20: \(0.0475\) Question 21: b. Fail to reject the null hypothesis
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read the stanza from \monets waterlilies\ by robert hayden. o light beh…
It illustrates a sense of misfortune.
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question 10 not yet answered points out of 1.00 flag question a manufac…
Question 10: C. \(\mu eq3\) Question 11: B. Two Tailed Test Question 12: - 2.51 Question 13: 1.96 Question 14: 0.012 Question 15: A. Reject the Null Hypothesis
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harvest ceremony: beyond the thanksgiving myth national museum of the a…
A. decline
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in a class of 78 students, 32 have dogs, 25 have cats and 10 have both.…
\( 60.3\% \) (or approximately \( 60.26\% \) if we use the exact fraction \( \frac{47}{78}\times100\approx60.256\% \))
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a survey of 200 people found that 112 people own a phone, 76 own a lapt…
\( 69\% \)
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in a group of 90 students, 50 are in band, 35 are in choir, and 12 are …
\( 81.11\% \) (or if we use exact fraction, \( \frac{73}{90}\times100=\frac{7300}{90}\approx81.11\% \))
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check your knowledge which loan type provides interest subsidy, meaning…
B. Direct Subsidized
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roman law was an important source of contract law that reflected the ex…
- Question 148: True - Question 149: True
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a bag contains 18 red, 20 blue and 17 green marbles. a random marble is…
\(67.27\)
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it is easier to govern public behavior with statutes rather than decidi…
1. True 2. True 3. True
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you randomly select a month out of the year. what is the probability yo…
\( 16.67\% \) (or if we use exact fraction, \( \frac{1}{6}\times100=\frac{50}{3}\approx16.67\% \))
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at a community event, 150 people were given 1 raffle ticket each. of th…
\(5\%\)
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todd and marys decision todd and mary love the finer things in life. th…
They will find it hard to get new loans. They will have to pay higher interest rates on any new credit cards they obtain. They will have poor credit reports.
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33. which document was an agreement by early american settlers that pro…
B. The Mayflower Compact ### Question 34
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a library loans out 3 books every day for a week and no books are retur…
C. The change in the number of books at the library over the course of the week was $- 21$.
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according to descartes rule of signs the polynomial ( p ( x ) = x ^ { 4…
3; Three positive real roots or one positive real root ### Second Problem (Polynomial with Given Roots)
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given the polynomial p(x)=x⁴ + 2x³ - 3x + 1 according to descartes rule…
First blank: two Second blank: two negative real roots or zero negative real roots ### Part 2: Multiplicity of Root 3
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what is an analogy? (1 point) a figure of speech that makes a point abo…
a figure of speech that makes a point about an abstract idea by comparing it to something concrete
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what is a simile? (1 point) a figure of speech created by placing two w…
C. a figure of speech that compares seemingly unlike things using the words like or as
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what is a metaphor? (1 point) a figure of speech that compares seemingl…
A. a figure of speech that compares seemingly unlike things by saying one thing is the other thing
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being assigned to a team means that a worker will work over a period of…
C. Other workers on common goals
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10. what does it mean if two lines in a system of equations are paralle…
10. B. They have no points of intersection. 11. D. Infinitely many solutions.
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read the passage from \marriage is a private affair\ by chinua achebe. …
Men make decisions, and women accept those decisions.
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in a small town, 10 residents move to new cities each year for 3 years.…
D. The total change in the number of residents in the town due to people moving away is $- 30$.
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danika runs an adoption shelter for dogs. she adopts out twenty - four …
C. The dog population in the shelter decreased by an average of 8 dogs each day of the three - day weekend.
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jaren is going to fill up his pool after he has completed needed pool r…
C. It will take 31.25 hours to fill the pool after Jaren has repaired it.
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construct a pie chart for the data set in the table to the right. the f…
C. Company Revenues (with percentages A 37%, B 30%, C 15%, D 9%, E 9%)
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the word part that means \poison, poisonous material\ is: sarc/o onc/o …
C. tox/o (assuming the options are labeled A: sarc/o, B: onc/o, C: tox/o; if original labels differ, adjust but the correct term is tox/o)
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12. the orbital speeds of asteroids and their distance from the sun are…
(a) The power regression equation is \(y = 31273.9774x^{-0.5770}\) (b) The distance from the sun is approximately \(2825\) million kilometers.
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2. when solving real - world problems involving inequalities, what is t…
a. It represents the set of all possible solutions that satisfy the inequality ### Question 3
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recast the population data in the figure with a proper horizontal axis.…
A. Most of the growth occurred after 1950. It is not clear in the original figure because the horizontal axis is not linear.
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1. a bakery can use no more than 100 lbs of flour per day to make bread…
C. \(b + 3c\leq100\)
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what does the phrase words are but wind mean? \a man may break a word w…
Words are not firm or dependable.
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the accompanying figure uses television sets to represent the number of…
B. A perceptual distortion is created because the heights of the TVs represent the number of homes with cable, but the human eye tends to focus on the volumes of the TVs, exaggera…
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state whether the graph shown is discrete or continuous and why. discre…
Discrete, because the graph consists of unconnected individual points.
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what is the correct meaning of the word abide? when we visit grandmas h…
submit to
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what is the correct meaning of the word dictatorial? the country had al…
C. authoritarian