Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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which of the following criteria are necessary conditions for making a s…
simple random sample, sample size greater than 30, or an approximately normal data set
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what does \pay yourself first\ mean when it comes to saving? keep all o…
- First Question: Each time you get paid, set aside money for savings before making any purchases. - Second Question: CDs typically offer higher interest rates than Savings Accoun…
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what does the italicized word mean in the following sentence? tengo muc…
sand
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what does the italicized phrase mean in the following sentence? yo quie…
a laptop
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what does the italicized word mean in the following sentence? paula va …
get to know
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what does the italicized word mean in the following sentence? extraño a…
I miss
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what does the italicized word mean in the following sentence? mi abuelo…
a prescription
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what does the italicized phrase mean in the following sentence? ella se…
She combs
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what does the italicized phrase mean in the following sentence? mi madr…
ride bikes
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what does the italicized word mean in the following sentence? el polici…
police officer
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choose the meaning of the italicized word in the following sentence. me…
to drive
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what does the italicized word mean in the following question? ¿cuántos …
tickets
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cole is training for a para - rowing tournament. the table shows the nu…
Plot the points \((1,200)\), \((2,400)\), \((3,600)\), \((4,800)\) on the given coordinate plane.
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what does the italicized number mean in the following sentence? hay doc…
12
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what does the italicized word mean in the following question? ¿qué te g…
the shower
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what does the italicized word mean in the following sentence? mi padre …
print
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what does the italicized word mean in the following sentence? linda qui…
roller blades
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what does the italicized word mean in the following sentence? ella nece…
socks
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(c) it is desired to test $h_{0}: p = 0.6$ versus $h_{1}: p < 0.6$. com…
The \(P\) - value is \(0.1894\). Do you reject \(H_0\) at the \(0.1\) level? No.
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what does the italicized word mean in the following sentence? paco tien…
close
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what does the italicized word mean in the following sentence? necesito …
a key
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what does the italicized word mean in the following sentence? mi herman…
the pool
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what does the italicized word mean in the following sentence? paco tien…
the computer
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what does the italicized phrase mean in the following sentence? la prim…
log in
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based on the scatter plot below, which is a better prediction for x whe…
4
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based on the scatter plot below, which is a better prediction for x whe…
4
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based on the scatter plot below, which is a better prediction for x whe…
38
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does this scatter plot show a positive trend, a negative trend, or no t…
no trend
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based on the scatter plot below, which is a better prediction for x whe…
4
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based on the scatter plot below, which is a better prediction for y whe…
57
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based on the scatter plot below, which is a better prediction for y whe…
4
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what does the italicized word mean in the following sentence? lola tien…
luggage
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survey data were gathered on the unlv campus collecting information on …
\(0.3294\)
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the frequency table (table of counts) below shows the survey data on a …
\(0.4469\)
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survey data were gathered on the unlv campus collecting information on …
\(0.0490\)
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the data on the major and home state for a randomly chosen group of stu…
\(0.2180\)
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suppose 7 blue and 3 green identical objects are in a jar. a blindfolde…
a) \(\frac{1}{3}\) b) \(\frac{8}{15}\)
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suppose 5 red and 2 green identical objects are in a jar. a blindfolded…
a) \(\frac{2}{3}\) b) \(\frac{5}{21}\)
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suppose 4 green and 5 red identical objects are in a jar. a blindfolded…
a) \(\frac{5}{8}\) b) \(\frac{1}{6}\)
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suppose 4 green and 5 red identical objects are in a jar. a blindfolded…
$\frac{1}{6}$
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suppose 4 green and 5 red identical objects are in a jar. a blindfolded…
a) \( \frac{5}{8} \) b) \( \frac{1}{6} \)
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question 10 3 pts let e and f be the events in a sample space s such th…
\(0.2346\)
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question 9 3 pts if e and f are events with ( p ( e ) = 0.47 ), ( p ( f…
\( 0.1702 \)
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if e and f are events with ( p(ecap f)=0.197 ), and ( p(e|f)=0.606 ), f…
\(0.3251\)
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if e and f are events with ( p(e)=0.302 ), ( p(f)=0.283 ), and ( p(e ca…
\( 0.3074 \)
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suppose 5 red and 6 green identical objects are in a jar. a blindfolded…
a) \(\frac{5}{11}\) b) \(\frac{3}{5}\) c) \(\frac{1}{2}\)
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suppose 6 green and 4 orange identical objects are in a jar. a blindfol…
a) \(c=\frac{5}{9}\) b) \(d=\frac{4}{9}\) c) \(e=\frac{2}{3}\)
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suppose 7 blue and 5 yellow identical objects are in a jar. a blindfold…
a) \(\frac{7}{12}\) b) \(\frac{6}{11}\) c) \(\frac{4}{11}\)
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given the following venn diagram: data a 0.36 0.29 b 0.17 0.18 note: wh…
\(P(A|B)\approx0.63\), \(P(B|A)\approx0.45\)
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given the following venn diagram: data note: when answering the questio…
a) \( 0.2857 \) b) \( 0.3830 \)
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answer the questions below. (1) a computer manufacturer conducted a sur…
1. There is a correlation between age and purchase price. There may or may not be causation. Further studies would have to be done to determine this. 2. There is a correlation bet…
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in the music industry, revenue from sales of cds has been declining in …
\((6,537.5)\)
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in the music industry, revenue from sales of cds has been declining in …
\((6,425.5)\)
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make sure you start new workings. find the median of these numbers: 15 …
$19$
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the range of a set of numbers is 9 the maximum is 1 what is the minimum?
\(-8\)
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what is the probability of picking a pink marble and flipping heads? wr…
$\frac{1}{6}$
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what is the equation of the trend line in the scatter plot? use the two…
\(y=-x + 8\)
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homework 9-equitability procedure and envy - free divisions: problem 6 …
(a) $1120$ (b) $625$ (c) $152$ (d) $152$ (e) $152$ (f) $664$ (g) $115$ (h) $280$ (i) $40$ (j) $190$ (k) To check if the arrangement is fair: - Adams: $x_{Adams}=152>115$ - Jeffers…
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this graph shows how the total number of stuffed animals celine has in …
$4
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this graph shows how the total number of undershirts fred has in his wa…
\(20\)
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(a) how many outcomes are there? outcome(s) (b) how many outcomes invol…
(a) \(8\) (b) \(4\) (c) \(2\)
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(a) how many outcomes are there? outcome(s) (b) how many outcomes invol…
(a) \(12\) (b) \(3\) (c) \(10\)
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(a) how many outcomes are there? outcome(s) (b) how many outcomes have …
(a) 12 (b) 3 (c) 6
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president vice president outcome ann john (ann, john) bob (ann, bob) ji…
(a) 9 outcome(s) (b) 6 outcome(s) (c) 1 outcome(s)
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the table summarizes the daily caffeine habits and majors of students a…
Part A: \(P(\text{no caffeine}|\text{STEM})\approx0.0426\), which means the probability that a student has no - caffeine intake given that the student is a STEM major is approxima…
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4) melanie wants to print photos for her scrapbook. the photo finishing…
a. \(f(x)=0.29x + 5\) b. \(12.54\) c. When Melanie prints \(26\) photos, the total cost is \(\$12.54\) d. No, because the number of photos \(x\) (input of the function) cannot be …
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there is a 25% chance that a book has a red cover, a 48% chance that a …
\(61\%\)
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p(a)=0.27, p(b)=0.40, and p(a∩b)=0.670. are events a and b independent?…
No, because \((0.27)(0.40) eq0.670\)
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a social media company tracked the professions of 290 users who watched…
No, because \(0.038 eq(0.217)(0.276)\)
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there is a 25% chance that a book has a red cover, a 32% chance that a …
Approximately independent, because \(8\%=(25\%)(32\%)\)
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(interpreting independence lc) p(a) = 0.33 and p(b) = 0.44. determine p…
\(0.33\)
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a social media company tracked the professions of 290 users who watched…
\(0.048\)
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the probability of event a occurring is 0.27, the probability of event …
\(0.263\)
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a bag contains 4 blue marbles, 6 orange marbles, and 3 yellow marbles. …
\(\frac{6}{13}\times\frac{3}{12}\)
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which term means income—money being collected or brought in? tariff app…
Revenue
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when economists talk about a countrys gdp, they are measuring the total…
- For the GDP question: Gross Domestic Product. - For the inflation question: A general rise in the prices of goods and services over time.
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question 3 which provides the most help for making a rational choice? e…
- Question 3: engaging in financial planning - Question 4: satisfaction
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what does the name immanuel/emmanuel mean? a. god sees us b. god hears …
D. God with us
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what was the meaning of pharaohs dream about the seven fat and seven le…
Famine and plenty of food
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a transit company operates commuter trains to help people get to the ci…
\(1.5\)
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qs 21 - 10 (algo) direct materials price and quantity variances lo p3 f…
\( \$81,700\)
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required information use the following information for the quick study …
| Item | Amount | Variance | |--|--|--| | Actual cost | \(\$8100\) | | | Budgeted standard cost | \(\$7650\) | | | Total cost variance | \(\$450\) | Unfavorable |
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required information use the following information for the quick study …
|Item|Flexible Budget|Actual Results|Variance|Favorable or Unfavorable| |---|---|---|---|---| |Sales|$672500|$631500|$-41000$|Unfavorable| |Variable Costs|$80700|$113200|$32500$|U…
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question 10 1 pts a 90% confidence interval is constructed in order to …
0.608 to 0.672
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question 9 1 pts a local newspaper reports that, with 95% confidence, t…
\(0.028\) (the third option)
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question 8 1 pts what proportion of adults have credit card debt? a fin…
Yes, the lower and upper bounds of the confidence interval are not correct.
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question 7 blane and steph are each attempting to estimate the proporti…
Blane’s interval must have been calculated incorrectly.
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question 6 1 pts a random sample of 600 high school students are asked …
0.183 to 0.237
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question 5 1 pts a total of 10,000 professionals attend a medical confe…
None of the above answer options are correct.
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question 4 1 pts two researchers, researcher a and researcher b, indepe…
Researcher A's interval is more accurate than Researcher B's interval since Researcher A surveyed a larger sample.
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question 3 1 pts to estimate the proportion of library patrons who chec…
2.17
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question 2 a random sample of 1,200 college students is surveyed about …
No, the colleague is incorrect because a higher confidence level leads to a wider interval and therefore less precision.
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question 1 1 pts a committee seeks student input about the length of au…
$0.764$
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4) 162 students are receiving awards at an awards banquet. 48 receive m…
The probability that a randomly - chosen student has won an award for English or Math is \(\frac{56}{81}\) ### Question 5
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the average american gets a haircut every 34 days. is the average diffe…
a. \(t -\)test for a single mean b. \(H_{0}:\mu = 34\); \(H_{1}:\mu eq34\) c. \(t\approx - 1.404\) d. \(p - value\approx0.182\) e. \(p - value> \alpha\) f. Fail to reject g. The …
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unit 4 probability, random variables, and probability distributions nam…
1. b) \(24\%\) c) \(26\%\) 2. b) \(76\%\) c) \(24\%\)
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question 18 (1 point) what is the formula for t for the paired samples …
none is correct
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question 8 (1 point) if p<0.05, which statement is incorrect? the resul…
“proves that the alternative hypothesis is true” is incorrect. When \(p < 0.05\), we do not prove the alternative hypothesis is true. We only have evidence against the null hypoth…
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question 18 (1 point) what is the formula for t for the paired samples …
none is correct
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question 16 (1 point) what is the null hypothesis for one sample t - te…
the sample mean is equal to the given reference value