Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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three of the sports teams from newberry high school decided to raise fu…
track, soccer, tennis (the third option in the list, assuming the options are presented as: 1. track, tennis, soccer; 2. soccer, track, tennis; 3. track, soccer, tennis; 4. tennis…
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the mean exam score for 43 male high school students is 21.5 and the po…
At the \(\boldsymbol{1}\%\) significance level, there is \(\boldsymbol{\text{not enough}}\) evidence to \(\boldsymbol{\text{reject}}\) the claim that male high school students hav…
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use the data in the scatter plot below to answer each of the questions.…
negative ### Part B
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the function $f(x) = 10(1.05)^x$ models the population of a species aft…
Exponential Growth
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order the fractions below from least to greatest. \\frac{8}{9}, \\frac{…
$\frac{1}{9}$, $\frac{2}{9}$, $\frac{8}{9}$
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the mean exam score for 43 male high school students is 21.5 and the po…
B. Fail to reject \(H_0\). The standardized test statistic is not in the rejection region.
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____ means being officially informed of the charges against you. a appe…
B. Arraignment ### Second Question:
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a telephone company offers a monthly cellular phone plan for $39.99. it…
(a) \( C(250)=\$39.99 \) (b) \( C(415)=\$56.24 \) (c) \( C(351)=\$40.24 \)
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select the correct answer a company manufactures acoustic guitars. the …
D. \( y = 148.4\sqrt{x - 1} + 154 \)
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oliver and shanice are competing in a handstand contest to see who can …
Shanice (Shanice: 5.10 seconds)
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sima and tucker are competing in a handstand contest to see who can hol…
Tucker (because Tucker's time of 3.72 seconds is longer than Sima's 3.59 seconds)
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the box-and-whisker plot below represents some data set. what is the va…
40
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how can money help me write $1\\frac{1}{2}$ as a decimal? think about $…
\(\$1.50\)
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lets play \which one is it?\ choose the correct way to write \\(\\frac{…
$0.1$
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what is the next fraction in this sequence? simplify your answer. \\(\f…
$\frac{4}{7}$
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the value of a certain investment over time is given in the table below…
Linear function would better model the data because as \( x \) increases, the \( y \) values change by a constant amount (or approximately constant). The rate of change (slope) of…
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for the following set of data, find the sample standard deviation, to t…
\( 5.626 \)
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divide. write your answer in scientific notation.\\(\\frac{7 \\times 10…
\( 1 \times 10^{-6} \)
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leah and miguel are competing in a handstand contest to see who can hol…
Miguel (Miguel: 7.8 seconds)
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in an experiment, the probability that event b occurs is 2/9, and the p…
\(\frac{8}{63}\)
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in an experiment, the probability that event a occurs is 1/4, the proba…
\(\frac{14}{27}\)
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find the sum of the finite series. \\(\\sum_{n=1}^{18} 24\\)
432
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use the fact that the mean of a geometric distribution is \\( \\mu = \\…
1000
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in a recent poll, the gallup organization found that 45% of adult ameri…
# Explanation: ## Step1: Recall Binomial Probability Formula The binomial probability formula is \( P(X = k) = \binom{n}{k} p^k (1 - p)^{n - k} \), where \( \binom{n}{k} = \frac{n…
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which expressions are equivalent to the one below? check all that apply…
B. 0
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yuson must complete a certain number of hours of community service. she…
B. total hours of service
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read the description of a proportional relationship. dana is finding th…
5
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critical skills practice: reading comprehension directions: read the pa…
D. It is used to express deep thought or confusion.
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based on the two data sets represented below, complete the following se…
The maximum of Data Set S is greater than the maximum of Data Set T. The minimum of Data Set S is greater than the minimum of Data Set T.
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the acceptable level for insect filth in a certain food item is 3 insec…
C. This result is not unusual because its probability is large.
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in a class of students, the following data table summarizes how many st…
$\frac{7}{15}$
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true or false: if you work from 1:30 a.m. to 9:15 a.m., you worked 7 ho…
True
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the shape of the distribution of the time required to get an oil change…
\(20.7\)
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use a calculator with a \\( y^x \\) key or a \\( \\wedge \\) key to sol…
551
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question in a class of students, the following data table summarizes ho…
$\frac{2}{5}$
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setting up camp 1 vacation means something different to everyone. some …
Camping is the best choice for a vacation.
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which model shows \\(\\frac{5}{8} \\times \\frac{2}{3}\\)? multiply. \\…
$\frac{5}{12}$ (For the multiplication part. For the model, we need to check the two models: The first model: Let's see, if we have a grid with 8 rows and 3 columns (total 24 cell…
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problem 11 - part b to make a specific hair dye, a hair stylist uses a …
Red tone: 45 oz Gray tone: 30 oz Brown tone: 25 oz
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the mean exam score for 43 male high school students is 21.5 and the po…
\( 1.49 \)
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the mean exam score for 43 male high school students is 21.5 and the po…
D. \(z < - 2.58,z>2.58\)
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problem 11 - part a to make a specific hair dye, a hair stylist uses a …
The correct amounts should be Red tone: \(9\) oz, Gray tone: \(6\) oz, Brown tone: \(5\) oz. (The given answers in the image are incorrect based on the provided ratio.)
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the mean exam score for 43 male high school students is 21.5 and the po…
The critical value(s) is/are \(-2.58, 2.58\)
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the mean exam score for 43 male high school students is 21.5 and the po…
The claim: B. Male and female high school students have equal exam scores. \( H_0 \) and \( H_a \): B. \( H_0: \mu_1 = \mu_2 \), \( H_a: \mu_1 eq\mu_2 \)
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what type of correlation does the scatter plot show? show your work her…
negative (with the option likely being the one labeled "negative" among the choices, e.g., if options are A. positive, B. negative, C. weak, D. none, then B. negative)
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brycen plots this graph of y, the number of students left in the classr…
\( y = - 1.4x + 13 \)
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the mean exam score for 43 male high school students is 21.5 and the po…
B. Male and female high school students have equal exam scores.
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brycen plots this graph of y, the number of students left in the classr…
A reasonable trend line is \( \boldsymbol{y=-x + 12} \) (or equivalent negative - slope line with intercept ~12, e.g., \( y=-1.1x + 12 \)).
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fiona wrote the sequence below: 3, 12, 48, 192, ... (arrows with ×4 bet…
geometric
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thanksgiving sudoku (c) 2017 mathgeekmama.com
The completed Thanksgiving Sudoku grid is: 9 3 5 | 6 8 7 | 1 4 2 2 4 6 | 1 9 5 | 8 7 3 8 1 7 | 2 3 4 | 6 5 9 ------|-------|------ 6 8 2 | 3 4 1 | 9 7 5 3 5 9 | 7 1 8 | 2 6 4 7 2 …
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four students wrote sequences during math class. andre: $-\\frac{3}{4},…
Doug
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you want to buy a washing machine, and a salesperson tells you that the…
### Part (d) A. Fail to reject \(H_0\). The standardized test statistic is not in a rejection region. ### Part (e) At the \(1\%\) significance level, there is not enough evidence …
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use the following image to answer the question. question 43 which serie…
A. $2 + 4 + 6 + 8 + 10$
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you want to buy a washing machine, and a salesperson tells you that the…
A. Fail to reject \( H_0 \). The standardized test statistic is not in a rejection region.
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glittering generality: using positive words without specific meaning (l…
1. natural - born 2. 30 3. interest; business (or other relevant, e.g., non - profit) 4. government 5. glittering
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you want to buy a washing machine, and a salesperson tells you that the…
\( z\approx - 1.09 \)
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super bowl lviii drew largest tv crowd in the game’s history average tv…
Around 90 million (the option with "Around 90 million")
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hongs class measured the lengths of 8 leaves. draw a dot plot for the l…
The dot - plot is constructed by placing 4 dots above 3, 2 dots above \( 3\frac{2}{4} \), 1 dot above \( 4\frac{1}{4} \) and 1 dot above \( 4\frac{2}{4} \) on the given number lin…
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you want to buy a washing machine, and a salesperson tells you that the…
A. \(z < - 2.58\), \(z>2.58\)
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select the correct answer. the value of m varies inversely as the squar…
C. 2
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the value of m varies inversely as the square of n. when n = 3, m = 6. …
C. 2
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use this rule to fill in the table. rule: multiply the input by 4 to ge…
For input 2, output is 8; for input 5, output is 20; for output 24, input is 6. So the table filled is: | Input | Output | |-------|--------| | 2 | 8 | | 5 | 20 | | 6 | 24 |
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to calculate molarity, you have to divide a small molarity means the so…
First blank: moles Second blank: Liters Third blank: dilute Fourth blank: concentrated (Assuming the blanks are: first "to calculate molarity, divide [moles] by [Liters]"; second …
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let x be the number of tickets elena sells. 10x ≥ 120 x ≥ 12 elena need…
The first graph (the one with a closed circle at 12 and the line extending to the right from 12)
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a pet store has 7 cats. here are their weights (in pounds). 5, 16, 6, 9…
8.7
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each of 5 students reported the number of movies they saw in the past y…
\(8.6\)
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on a survey, 8 students reported how many minutes it takes them to trav…
11.9
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find the mean absolute deviation 15, 17, 15, 17, 21, 17, 15, 23, 20, 18…
2.2
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you want to buy a washing machine, and a salesperson tells you that the…
\(-2.58, 2.58\)
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find the mean absolute deviation 15, 17, 15, 17, 21, 17, 15, 23, 20, 18…
2.2
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francis has 11 bottles containing 8 ounces of water each. he multiplies…
The equation \(8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 88\) (the second option in the list of equations shown, with 11 eights added)
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type the correct number in the blank. 10 penny image = blank quarter im…
2
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wednesday (unit 5 – lesson 5) distribute. 8(3x + 12) 11(12 − 4x) thursd…
- Distribution results: \( 8(3x + 12)=24x + 96 \), \( 11(12 - 4x)=132 - 44x \) - Factoring results: \( 72 + 18 = 18(4 + 1) \), \( 16y - 96 = 16(y - 6) \)
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4. reasoning kevin drove his car to a concert. his car can go 400 miles…
2 hours
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you want to buy a washing machine, and a salesperson tells you that the…
What is the claim? B. The mean repair costs for Model A and Model B are equal. What are \(H_0\) and \(H_a\)? C. \(H_0: \mu_1 = \mu_2\); \(H_a: \mu_1 eq \mu_2\)
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1. a survey of 4213 people found that they exercise on average for 1.4 …
Margin of error ≈ 0.009, Interval: (1.391, 1.409) (assuming 95% confidence) ### Problem 2
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you want to buy a washing machine, and a salesperson tells you that the…
B. The mean repair costs for Model A and Model B are equal.
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3. construct arguments a regular tube of toothpaste costs $2.50 for 3.2…
The regular tube of toothpaste is the better buy. The travel - size tube's unit price (cost per ounce) is approximately 6.67% higher than the regular tube's unit price, and the tr…
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read line 6 from the poem \the apollo 11 moon landing.\ that it admonis…
sternly
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g. if you were to use a random sample of size 20 to estimate the popula…
For a sample of size 20, the estimate is closer to the population mean. The margin of error for a sample of size 20 is less than the margin of error for a sample of size 10.
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5. what does it mean to develop power over purchase? you are powerless …
The third option: You are able to slow down and think through your motives before buying something.
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an energy company wants to choose between two regions in a state to ins…
Reject \( H_0 \). There is enough evidence at the 5% level of significance to support the researcher's claim that the wind speed in Region A is less than the wind speed in Region …
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ethan sold \\(\\frac{2}{3}\\) gallon of lemonade. kayla sold some lemon…
$\frac{1}{12}$
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4-25. two of the connections in your representations of patterns web ar…
s: ### Part a Figura 0: 3 azulejos (estructura vertical o la base). Figura 4: 11 azulejos con la estructura del patrón (más azulejos, siguiendo la diferencia de 2). ### Part b | F…
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an energy company wants to choose between two regions in a state to ins…
\(z\approx - 2.37\)
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an energy company wants to choose between two regions in a state to ins…
The critical value is $\boldsymbol{-1.645}$ (or - 1.65 when rounded to two decimal places as per some conventions).
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ethan sold \\(\\frac{2}{3}\\) gallon of lemonade. kayla sold some lemon…
Kayla sold \(\frac{7}{12}\) gallon. Ethan sold more, by \(\frac{1}{12}\) gallon.
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table here is a table of rich’s and julio’s distance for the first few …
Rich will catch Julio at approximately \( \boldsymbol{3} \) seconds (more precisely, around 2.95 seconds, but based on the table's pattern, at \( t = 3 \) seconds, Rich's distance…
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use the following graphs to answer questions 1 - 4. 1 which of the grap…
s (for each question): 1. The graph with negative slope is Graph C. 2. The graph with positive slope is Graph D. 3. The graph with an undefined slope is Graph B. 4. The graph with…
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bonus bonus! what term refers to role and character, relationships, sit…
D. dramatic elements
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review page 1 of the passage. how do the underlined words most contribu…
They suggest the speaker considers the waterfall’s value to be great, like a treasure.
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i have studied many times the marble which was chiseled for me — a boat…
2. A person reflects on a life lived without enthusiasm or zeal.
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use the following information to answer the next question. an airplane …
Option 3. \(15x + 45y \leq 1500\)
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fog the fog comes on little cat feet. it sits looking over harbor and c…
4. Things of this world are fleeting.
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the following list contains the average annual total returns (in percen…
s: (a) The mean is \(\boldsymbol{17.4}\) (rounded to one decimal place). (b) The median is \(\boldsymbol{19.5}\). (c) The data set has \(\boldsymbol{zero\ modes}\) (since all valu…
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this question has two parts. answer part a, and then answer part b. par…
2. A work of art can take on new meanings in different phases of life. ### Part B
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unit 5: word bank: mutual fund, mutual funds, stocks, start - up, owe, …
1. higher; lower 2. diversify; mutual fund 3. Treasury; certificates; Bonds; start - up 4. Stocks; bonds 5. history; owe; spend
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adults who are being tested for dementia are asked to perform mental ta…
s: (a) The median is 16.5. (b) The mean is 15.9. (c) The data set has zero modes.
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which sentence uses one of the words of the day correctly? - marcus eve…
C. Terrence expressed his disappointment in the concert with a sigh and a shrug. (Assuming the options are labeled A - D with A: "Matthew even welcomed the kind new employees to t…
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when two people reach an understanding after an argument, we sometimes …
D. the conclusion of a trial based on an agreement between the prosecution and defense
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a recent editorial suggested the candidates ignored the issues of great…
2. No, because people had a negative experience with the candidates.