Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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determine the required value of the missing probability to make the dis…
\( 0.27 \)
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the data given below show the number of overtime hours worked in one we…
For \(x = 0\), \(P(x)\approx0.040\); \(x = 1\), \(P(x)\approx0.070\); \(x = 2\), \(P(x)\approx0.171\); \(x = 3\), \(P(x)\approx0.286\); \(x = 4\), \(P(x)\approx0.206\); \(x = 5\),…
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listed below are the numbers of words spoken in a day by each member of…
\( t \approx -0.91 \)
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ordering rational numbers order the numbers from least to greatest. 15.…
\(-4, -3\frac{3}{4}, -3.7, -\frac{10}{3}, -3.1\)
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using the data given below, determine whether it would unusual for a ho…
A. It would be unusual because the probability of having no HD televisions is less than 0.05.
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g. find the probability of drawing a blue block, keeping it, and then d…
To find the probability, follow these steps (using \( B \) = blue blocks, \( R \) = red blocks, \( T \) = total blocks): 1. Probability of blue first: \( \boldsymbol{\frac{B}{T}} …
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if you got: x = 3 a now find: describe the transformations that produce…
To transform \( f(x)=x^2 \) to \( g(x)=-2(x + 3)^2 - 4 \): 1. **Vertical Transformation**: \( a = -2 \) causes a vertical stretch by a factor of 2 and a reflection over the \( x \…
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ordering rational numbers order the numbers from least to greatest. 15.…
\(-4, -3\frac{3}{4}, -3.7, -\frac{10}{3}, -3.1\)
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use the probability distribution to complete parts (a) through (e). the…
0.482
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for a read-a-thon, jay and odhràn each started reading a book at the sa…
After \( \boldsymbol{4} \) hours, both boys had \( \boldsymbol{58} \) pages left.
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use the probability distribution to complete parts (a) through (e). the…
0.789
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3. the data in the table below shows the number of graduating seniors a…
### Part (a) # Explanation: ## Step 1: Assign Variables Let \( x \) be the number of years since 2012 (so \( x = 0 \) for 2012, \( x = 1 \) for 2013, etc.), and \( y \) be the num…
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use the probability distribution to complete parts (a) through (c). the…
0.211
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8) doug entered a canoe race. he rowed 3 ½ miles in ½ hour. what is his…
7 miles per hour
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use the probability distribution to complete parts (a) through (e). the…
\( 0.179 \)
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6. the constitution says government must provide for our \general welfa…
A. make sure citizens are well and cared for ### Question 7
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2. the data in the table below shows the number of passengers and numbe…
(for part a): The line of best fit is approximately \( \boldsymbol{y = 2x + 5.25} \) (or more accurately \( y \approx 1.98x + 5.25 \))
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4) shirts are on sale for 20% off. you buy two of them. as you pay, the…
I disagree. Let the original price of one shirt be $p$. Total original price for two shirts: $2p$. - 20% off each shirt: Discount per shirt = $0.2p$, total discount = $2\times0.2p…
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the bartlett family is taking a road trip to yellowstone national park!…
4
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6) scott wants to tip his uber driver 20%. if his commute costs $15, wh…
The total cost is $18.
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shelby loves to knit scarves. normally, it takes her 15 minutes to knit…
90
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the probability of catching the flu this year is 0.15. use the binomial…
13.8% (corresponding to the option with 13.8%)
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charlie is making chocolate cake for his birthday party. he found a rec…
9
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based on the 2009 season, the texas rangers have a winning percentage o…
18.8% (the option with 18.8%)
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once a month, volunteers from the green sea club clean up litter at the…
6
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which experiment would fit a binomial model? (1 point) flipping a coin …
A. flipping a coin
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when cara drives to work, it takes her 30 minutes to drive 15 miles. on…
3
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2) the number of fish in a lake decreased by 25%. there were originally…
45
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evans favorite hobby is origami. he plans to make 100 paper cranes to h…
3
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use the graphs of the arithmetic sequences {aₙ} and {bₙ} to find a₁₇ + …
\(\boxed{41}\)
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monica makes tomato sauce with the plants she grows in her garden. she …
12
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show what you know a number went into this machine and 36 came out. wha…
48
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use the graphs of the arithmetic sequences \\{a_n\\} and \\{b_n\\} to f…
73
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question 1 of 10 sensation is the process of: a. interpreting informati…
B. picking up information and relaying it to the brain.
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synthesis describe a strategy for determining the input when you know t…
The strategy is to divide the output by \( 1 - \) (percent decrease as a decimal) (or \( 1 + \) percent increase as a decimal) to find the input. For the example, input is 24.
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bill and mary ann went to the viola bakery. bill bought 3 danishes and …
The price of a filled donut is \(\$1.50\)
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6. the data in the table to the left gives the weight, in pounds, and b…
### Part a) Line of Best Fit To find the line of best fit \( y = mx + b \) where \( y \) is BMI and \( x \) is Weight, we follow these steps: #### Step 1: Calculate \( \bar{x} \) …
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bill and mary ann went to the viola bakery. bill bought 3 danishes and …
The price of a danish is \(\$0.97\)
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find the sum of the odd integers between 30 and 50. the sum is \\boxed{…
400
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5. the data in the table to the left shows sales for a certain departme…
# Explanation: ## Step1: Assign Variables Let \( x \) be the year (with \( x = 0 \) for 1994, \( x = 1 \) for 1995, ..., \( x = 5 \) for 1999) and \( y \) be sales (in billions). …
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challenge #2 40 went into this machine and 48 came out. what percent in…
20%
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question answer the questions below to determine what kind of function …
This function is a factorial - related function (or a function of the form \( f(x)=-(x! + 3) \)) because for \( x = 1,2,3,4,5 \), the values of \( f(x) \) match \( f(x)=-(x! + 3) …
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ann marie jones has been pricing train fares for a group trip to new yo…
The price of an adult’s ticket is $19.
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challenge #1 if 20 is put into this machine, what will come out? (image…
15
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6. (36, 48) five eighths of the rocks in the box were metamorphic. the …
\(\frac{3}{8}\) ### Problem 7a
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card 4: the scatter plot shows the number of meals eaten at home and th…
Raymond's model (\(y = -7x + 140\)) is correct because the scatter plot shows a negative correlation (as \(x\) increases, \(y\) decreases), and his equation has a negative slope, …
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fly n fast footwear, a small shoe company, produces a limited run of go…
the number of pairs Fly 'n' Fast Footwear can make in a batch to exactly break even
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eagle airlines flies charter planes all over the world. natalie, one of…
1
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9. determine if the table describes a linear relationship or exponentia…
a. It is exponential growth with factor of 6 ### Question 10
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7. use the graph below to determine the correct average rate of change:…
c. The rate of change of the candle is it decreases 1 inch every 10 min ### Question 8
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4. the data in the table to the left shows the olympic 500-meter gold m…
a) The line of best fit is approximately \( y = -2.29x + 4969 \) (or \( y = -2.22(x - 1980) + 422 \)) b) The estimated time for 2020 is approximately 333 - 340 seconds (more accur…
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5. a cylinder contains 30 milliliters of water. the water begins to lea…
b. \((0,30)\) and \((6,0)\) the cylinder is empty after 6 seconds and it starts with 30 mL of water ### Question 6
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part one: decide whether each question is an example of metaphor, perso…
For question 3, the correct device is Onomatopoeia (O). The word "howled" imitates the sound the dog makes, so it's an example of onomatopoeia, not metaphor.
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listed in the accompanying table are waiting times (seconds) of observe…
a. C. \( H_0: \mu_1 = \mu_2 \), \( H_1: \mu_1 eq \mu_2 \) b. \( t \approx 1.03 \) (exact value requires precise sum calculation)
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3. what does the word \apartheid\ mean in afrikaans? a) togetherness b)…
D) Separateness
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listed in the accompanying table are waiting times (seconds) of observe…
# Explanation: ## Step1: Identify Hypotheses The claim is that the mean waiting time for two queues (population 2) is equal to that of a single queue (population 1). So, the null …
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addison and some friends are going to the movies. at the theater, they …
Total cost, 8 bags of popcorn and 4 drinks: \( \$57 \) Total cost, \( p \) bags of popcorn and \( d \) drinks: \( 5p + 4.25d \)
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× 7 4 1 5 3 9 8 6 0 2 4 9 2 5 3 7 0 6 1 8
The completed multiplication table (rows are multipliers, columns are multiplicands): | × | 7 | 4 | 1 | 5 | 3 | 9 | 8 | 6 | 0 | 2 | |----|----|----|----|----|----|----|----|----|-…
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3. allison wrote this equation to show the relationship between d, the …
5 hours (corresponding to the first option: 5 hours)
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question 10 of 10 correlation is: a. a relationship between two variabl…
A. a relationship between two variables.
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24. the amount of fertilizer jon uses varies directly with the square f…
3.75 pounds
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below is the table of values of a function. write the output when the i…
\(n - 2\)
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you want to do a survey on how religious people are in your town. what …
B. A random sample of the town's population, D. A mix of participants that reflect your town's makeup
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jim began a 155 - mile bicycle trip to build up stamina for a triathlet…
\( 3.5 \)
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which of these shows a positive correlation? a. scatter plot b. bar gra…
D. The scatter plot in option D (assuming the last scatter plot, as per typical positive correlation scatter plot pattern where as one variable increases, the other tends to incre…
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al practice | word study - suffixes -ize, -ance, -ence, -ist - -ence an…
6. acquaintance
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digital means : located at or coming from the earths extremities relati…
D. displaying numbers rather than scale positions (assuming the options are labeled A to D in order, with the fourth option being D)
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extent has the same or almost the same meaning as: fortune fitness degr…
C. degree
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medium means: - an intervening substance through which something is ach…
A. an intervening substance through which something is achieved
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purpose has the same or almost the same meaning as: ○ favorite ○ code ○…
D. aim
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structure has the same or almost the same meaning as: repeat conclude i…
D. organize
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multimedia means : using several forms of communication or expression m…
A. using several forms of communication or expression
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role means : a slow longitudinal movement or deformation normal or cust…
B. normal or customary activity of a person in a social setting (assuming the second option is labeled B; if the original labels were different, adjust the identifier but keep the…
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find the critical value(s) and rejection region(s) for a left - tailed …
The critical value is \(9.390\), and the rejection region is \(\chi^{2}<9.390\)
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concept has the same or almost the same meaning as: ○ difference ○ noti…
B. notion (assuming the options are labeled with letters, with "notion" as the correct choice. If the original options had labels like A, B, C, D, then the correct one is the opti…
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a medical researcher says that less than 83% of adults in a certain cou…
Fail to reject the null hypothesis. There is not enough evidence to support the researcher’s claim. For the second part about whether the results are the same: The two formulas fo…
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a medical researcher says that less than 83% of adults in a certain cou…
\( z\approx - 1.60 \)
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homework 3 in week 1 question 1, r.1.33 part 2 of 2 hw score: 0%, 0 of …
\(0.087\)
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approximate the given number (a) rounded and (b) truncated to three dec…
\(0.087\)
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a medical researcher says that less than 83% of adults in a certain cou…
D. The rejection region is \(z < - 1.65\)
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below is the table of values of a function. write the output when the i…
\( n + 3 \)
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acro english meaning origin: □greek □latin related words word and defin…
Etymology (subfield of Arts)
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below is the table of values of a function. write the output when the i…
\( n + 3 \)
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4.5 worksheet 1. you are purchasing a new car. the car cost $19,200 and…
\(y=-320x + 19200\) ### Part (b)
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rose went for a hike yesterday. she started at sea level and hiked up t…
The Bottom - Left Graph (labeled "Rose's hike" with elevation starting at 0, increasing, plateauing, then decreasing to 0)
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a medical researcher says that less than 83% of adults in a certain cou…
E. \( H_0: p\geq 0.83 \) \( H_a: p < 0.83 \)
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for tanishas lemonade recipe, 14 lemons are required to make 7 cups of …
The rate of lemons being used is 2 lemons per cup of lemonade.
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a medical researcher says that less than 83% of adults in a certain cou…
C. Less than 83% of adults in the country think that healthy children should be required to be vaccinated.
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approximate the given number (a) rounded and (b) truncated to three dec…
\(0.087\)
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state whether each standardized test statistic $\\chi^2$ allows you to …
(c) C. Do not reject the null hypothesis because the standardized test statistic is not in the rejection region. (d) D. Reject the null hypothesis because the standardized test st…
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1. you are purchasing a new car. the car cost $19,200 and you will pay …
\( y = -300x + 19200 \) ### Part (b)
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ava is skiing with her family. she rides a chairlift up from the base o…
The bottom - left graph (the third graph in the order, the one in the bottom - left corner of the four - graph set)
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sofia read 2 books in 12 months. what was her rate of reading in books …
\( \frac{1}{6} \) books per month
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how would you describe the meaning of alliteration? (1 point) when a pe…
B. when several words in a short section begin with the same sound
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how many significant figures are in the number 9.80 x 10⁴? 2 3 4 ambigu…
3 (corresponding to the option "3")
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decide whether the random variable x is discrete or continuous. explain…
A. Continuous, because x is a random variable that cannot be counted.
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determine whether the random variable x is discrete or continuous. expl…
C. The random variable is discrete, because it has a countable number of possible outcomes.
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jordan is visiting an exhibit on the third floor of a museum. after vie…
The bottom - left graph (the third graph, if we count top - left, top - right, bottom - left, bottom - right as 1,2,3,4) or the graph in the bottom - left of the four graphs.
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decide whether the graph represents a discrete random variable or a con…
B. Continuous, because distance is a random variable that is uncountable
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its a warm spring day, and kendall is watering her flower bed. she star…
The graph on the Top - Left