Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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model it: place - value charts use place - value charts to show multipl…
### Completed #3 Table: | Ones | . | Tenths | Hundredths | Thousandths | Expression | |------|---|--------|------------|-------------|------------| | 0 | . | 0 | 0 | 5 | $0.005 \t…
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it is often necessary to do calculations using scientific perform each …
\(8.10\times10^{-13}\) (or \(8.1\times10^{-13}\))
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13. matching: use the following dot plots to estimate which of each of …
a. \( \sigma \approx 0.43 \) corresponds to Plot D b. \( \sigma \approx 1.22 \) corresponds to Plot A c. \( \sigma \approx 2.91 \) corresponds to Plot B d. \( \sigma \approx 4.08 …
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1. compare. 76,000 \\bigcirc 7.6\\times 10^{3}
$76,000 > 7.6 \times 10^3$
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13 matching: use the following dot plots to determine which of the foll…
To solve the problem of analyzing the effect of doubling scores on statistics (mean, median, mode, range, mean deviation, standard deviation), we follow these steps: ### Step 1: R…
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(\frac{3.14 \times 10^{6}}{(7.04 \times 10^{5})(2.68 \times 10^{-4})} =)
\(\boxed{1.66\times10^{4}}\) (or more precisely \(1.664\times10^{4}\))
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6 eddie is reading a novel for english class. he has read 173 out of 48…
About 36% of the book (or approximately 36.0% if more precision is needed)
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question 5 solve for ( x ): ( log_{2}(x + 6)=2log_{2}(x) ) ( circ ) -2 …
B. 3
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what percentage of scores falls within 3 standard deviations of the mea…
99% (Note: The correct value from the empirical rule is approximately 99.7%, and among the given options, 99.7% is the one that represents the percentage of scores within 3 standa…
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4. the new playground needed 8 tons of sand. if only 5 tons was deliver…
$0.25$ tons
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of hours they say they study on the pair of coordinate axes and then dr…
5 hours
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4. grandma bought 6.5 meters of fabric to sew some new pillows. she use…
$0.38$ meters
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what is \\(\\frac{1}{5} \\times 10\\)?
5 (Whole number: $\boldsymbol{5}$)
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which phrase means \to surf the web\ in spanish? (1 point) tomar un cur…
B. navegar en la Red
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a line of best fit was drawn to the plotted points in a data set below.…
$x=12$
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what is \\(\\frac{4}{5} \\times 10\\)?
8 (Whole number)
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14. ben rolls two number cubes. what is the probability that the sum of…
\(\frac{5}{18}\) ### Question 15
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find the z - score for 258 given a mean of 273 and a standard deviation…
-3
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carloss math teacher plots student grades on their weekly quizzes again…
5.5 hours
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in exercises 10–12, use the following information. mattias gets dressed…
\( \frac{1}{2} \) ### Question 12: Probability of No Red in Outfit
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the z - score represents...... option 1 (yellow box): the percentile th…
the amount of standard deviations a data value is above or below the mean (the option with this text, assuming the orange box has this text as per the description of the z - score…
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#49.) based on your understanding of the term \intuition\ and your know…
B. Understanding or working out the meaning by instinct
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in a factory, the weight of the concrete poured into a mold by a machin…
1106 to 1194 pounds
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a. | n | 1 | 2 | 3 | 4 | 5 | | t(n) | 150 | 120 | 90 | | | this sequenc…
### Part a. | $n$ | $t(n)$ | |-----|--------| | 1 | 150 | | 2 | 120 | | 3 | 90 | | 4 | 60 | | 5 | 30 | This sequence is **arithmetic (linear)** because the pattern is **subtractin…
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a line of best fit was drawn to the plotted points in a data set below.…
12
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scores on a certain standardized test have a mean of 500, and a standar…
13.5%
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#46b.) what might the intended effect of the form of repetition discuss…
A. To emphasize the importance of the acts of people to combat hatred and other atrocities.
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kennedy has a part - time job at an ice skating rink selling hot cocoa.…
49
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an inequality is shown. $1.2d \\geq 24$ which list of values for $d$ wi…
D. 20, 28, 30
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angela is plowing a large field for spring planting. on the first day, …
A) 1/21
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kerry is conducting a marketing survey. she mailed 45,128 surveys, and …
C) 40%
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5. mike and ted are having a push - up competition during basketball pr…
60
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determine whether the value 75% is a parameter or statistic: in a rando…
Statistic ### Question 3
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do you understand? 1. what do the zero exponent and negative exponent p…
- **Zero Exponent Property**: For a non - zero real number \(a\), \(a^{0}=1\) (e.g., \(5^{0}=1\), \((-3)^{0}=1\) but \(0^{0}\) is undefined). - **Negative Exponent Property**: For…
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two plans are represented by a system of equations. the solution to the…
After 3 units, both plans cost \$15 (the corresponding option description)
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ice skating last winter the owner of an ice skating rink counted the nu…
3
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listen to the audio clip and answer the question that follows. what doe…
soap opera
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question 1 (1 point) find the percentage. 14. 60% of 24,000 = 15. 55% o…
d. 14. 14,400 15. 7,370 16. 42,582
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angela is plowing a large field for spring planting. on the first day, …
A) 1/21
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a farmer has 3/4 of an acre to plant beans and squash. if 4/9 of an acr…
C) 11/36 of an acre
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which statement is most correct about dating? a. people should change t…
C. You should compromise on behaviors that are not core to your happiness.
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question 5 of 8 what is the value of -4 + 6 - 13.5? -11.5 4 + 6 4 - 6 -…
-11.5 (the option corresponding to -11.5)
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question 2 of 8 which number line correctly represents $-1.25 - 0.75$?
The second number line from the left (the one with the yellow dot at \(-2.00\) after moving left from \(-1.25\) by \(0.75\) (three \(0.25\) intervals)) is the correct one. If we a…
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what you learned from reading the history article to respond to the fol…
D. "The shrine holds Tut's liver, lungs, stomach, and intestines." ### Question 2 - Part A
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think use what you learned from reading the history article to respond …
D. "The shrine holds Tut's liver, lungs, stomach, and intestines." ### Part A (Meaning of "suspended")
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check for understanding 1 of 2 answer the question correctly to continu…
C. To charge a public official with misconduct in office.
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the graph shows the relationship between the number of hours diego jogs…
$y = 6x$ (the option corresponding to $y = 6x$)
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the graph shows the relationship between the number of hours maria spen…
\( y = 30x \) (the option with \( y = 30x \))
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3. the 15 members of the french club sold candy bars to help fund their…
A. The mode is the best measure of central tendency for the data --- ### Question 4
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la hora es la es la una is used to son las son las is used to every oth…
Es la once en punto de la noche Son las menos cuarto de la tarde Son las dos y media de la tarde Son las tres en punto de la tarde
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for problems 12-15, add or subtract. 12. \\(\\frac{1}{4}+\\frac{1}{4}\\…
$\frac{1}{2}$ ### Problem 13: $\boldsymbol{\frac{1}{5} + \frac{3}{5}}$
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five friends go out for lunch. the bill totals $60.20. they plan to spl…
24.08
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five friends go out for lunch. the bill totals $60.20. they plan to spl…
Caterina pays $24.08 of the bill. ### Part 2: Caterina pays? half the bill.
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la hora es la es la una is used to y cuarto y media medianoche mediodía…
To solve this, we analyze each clock: ### First Clock (Blue): - Hour hand near 10, minute at 12 (wait, no—wait, minute at 12? Wait, no, the first blue clock: hour ~10, minute at 1…
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what was the purpose of the american joint distribution committee? to p…
To provide funding for relief projects in Palestine and Europe
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zach is buying materials to cover a 1,650 square foot roof with shingle…
C) Zach made an error dividing 1,650 by 33.33.
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the probability that event a will occur is 0.5, the probability that ev…
\( 0.3 \)
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ada is making rice. the instructions call for $2\\frac{1}{4}$ cups of w…
\(\frac{3}{4}\)
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ada is making rice. the instructions call for $2\\frac{1}{4}$ cups of w…
less than
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lana has a length of ribbon that is 1.8 meters long. she cuts the ribbo…
0.45
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after examining the database, the manager found that 12.5% of the recor…
B) 0.125
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in the first five years of business, the value of information securitie…
D) 63%
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20. eddie attempted to order the following rational numbers from least …
Eddie likely misordered negative numbers (e.g., thought \(-\frac{1}{3} < -3.5\) but \(-\frac{1}{3}\approx -0.33 > -3.5\)) or miscompared \(\frac{7}{8}(0.875)\) and \(1.5\), due to…
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nico is cutting a block of cheese that is 17 1/2 inches long into slice…
A) 14 bags
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dominic repairs washing machines. each repair appointment takes about 1…
A) 6 appointments
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at maries book and music store, 7/20 of the sales come from books, 6/20…
B. 4/5
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la hora es la es la is used to y cuarto y media medianoche mediodía son…
Es la una y media de la mañana Son las cinco menos cuarto de la tarde Son las dos y media de la tarde Es la medianoche
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at maries book and music store, 7/20 of the sales come from books, 6/20…
# Explanation: ## Step1: Add the fractions To find the total portion of sales from books, music, and video games, we add the three fractions: $\frac{7}{20} + \frac{6}{20} + \frac{…
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6. the graph below shows the relationship between the studying time, in…
C. 7.8
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how does honest communication improve relationships? it avoids hurt fee…
C. It helps people trust one another.
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find the percent decrease from 164 to 9. provide an answer accurate to …
94.5%
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name______ date______ flag day flag day is an american holiday celebrat…
1. The 1777 American Flag had 13 stars and 13 stripes, while today's American Flag still has 13 stripes but has 50 stars (one for each U.S. state). 2. Burning a worn-out flag is a…
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unit mcq practice question questions 1-2 refer to the excerpt below. “t…
D. the discontent in society over the increase in economic inequality ### Question 2
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lex drives a forklift at the paper mill. rolls of paper that are up to …
A. \(3\frac{3}{4}\) feet
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mark is the housekeeping manager for a hotel. he wants to have 250 bott…
A) 32 bottles of shampoo
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12. luis makes 3 free throws out of every 7 shots. how many free throws…
(b) If your answer is 9 color the eyes green. ### Question 15
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12. luis makes 3 free throws out of every 7 shots. how many free throws…
9 (and the corresponding option is (b) If your answer is 9 color the eyes green.)
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gabby is visiting the local carnival and she wants to go on as many rid…
$y = \frac{72}{x}$
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wangari plants trees at a constant rate of 12 trees every 3 hours. writ…
$p = 4h$
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hannah reads at a constant rate of 3 pages every 8 minutes. write an eq…
$p = \frac{3}{8}m$
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a tropical punch recipe calls for 300 ml of sugar for every 2 flavor pa…
$s = 150f$
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writing proportional equations google classroom microsoft teams carlos …
$c = \frac{3}{7}t$
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the greek root \geo\ means ________. a. the study of something b. earth…
B. earth or world
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the table below shows the amount of flour and eggs you need for making …
$\boldsymbol{f = \frac{3}{2}e}$ or $\boldsymbol{e = \frac{2}{3}f}$
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use the graph of the function to complete the table. input | output 5 7…
| Input | Output | |-------|--------| | 5 | 8 | | 7 | 6 | | 9 | 4 |
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which excerpt from act v, scene iii of romeo and juliet best reflects t…
B. Prince: See what a scourge is laid upon your hate, That heaven finds means to kill your joys with love;
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a robot moves at a constant speed. the distance it moves and the time i…
$d = 0.7t$ (or $d = \frac{7}{10}t$)
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the following table shows a proportional relationship between m and n. …
$n=7m$
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the following table shows a proportional relationship between w and z. …
$w=9z$
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second is labeled 2, and so on. each step has the same height. the tabl…
$h = \frac{1}{5}n$
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liliana used 4 power crystals to open 14 portals. opening the portals u…
35 portals
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review the story. the marking 1 newts feet hurt from standing at the re…
Newt and the reader already have an idea about what his Mark will mean.
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scott likes to run long distances. he can run 20 km in 85 minutes. he w…
221 minutes
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chef rita is cooking for a sunday brunch. she knows that 22 pancakes ca…
20 people
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proportion word problems stans cookie recipe makes 24 cookies and calls…
960
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there are 25,400,000 nanometers in 1 inch. write the number of nanomete…
\( 2.54\times 10^{7} \)
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six out of every 9 households have a guest room. margaret asked x house…
C. 36
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1.22 1.02
\(1.22 > 1.02\)
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part 1: use context clues to determine the meaning of the underlined wo…
Prodigal means freely generous, or showing something without restraint (in this context, the modest maid freely reveals her beauty to the moon). More broadly, it can also mean was…
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10. the jacobys kept track of the time they spent driving on their trip…
The Jacobys drove $\boldsymbol{10\frac{1}{2}}$ (or 7 if following the handwritten answer's possible misread) hours on Monday and Tuesday. (For the bar diagram, represent Monday's …