Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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4* cherokee indian ancestry us depar of the interior 1 about 200 years …
B. many Cherokees were moved west to a territory that is now the State of Oklahoma.
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the function ( f(x)=0.39x + 26.3 ) represents the line that best fits t…
\(0.52\)
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the graph shows the average length of a newborn baby, where x represent…
B. The average length of a newborn baby at birth is 20 inches; E. For every month since birth, on average a newborn baby grows by 1.5 inches.
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suppose the lengths of human pregnancies are normally distributed with …
- For part (a): - First interpretation: The proportion of human pregnancies that last less than \(245\) days is \(0.0947\). - Second interpretation: The probability that a randoml…
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suppose the lengths of human pregnancies are normally distributed with …
For the first part: A. The proportion of human pregnancies that last less than \(245\) days is \(0.0947\) For the second part: A. The probability that a randomly selected human pr…
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carole jenkins the grammatical errors in this passage are intentional. …
D. How all of the rules and their exceptions will be remembered you are probably wondering.
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is grammar important? carole jenkins the grammatical errors in this pas…
# Brief Explanations: The original sentence is wordy and[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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suppose the lengths of human pregnancies are normally distributed with …
A. The proportion of human pregnancies that last less than \(245\) days is \(0.0947\)
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suppose the birth weights of full - term babies are normally distribute…
A. The probability is \(0.0228\) that the birth weight of a randomly chosen full - term baby in this population is more than \(4700\) grams.
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suppose the birth weights of full - term babies are normally distribute…
B.
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consider the normal distribution defined by the given figure. find the …
\(\sigma = 0.7\) kg
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consider the normal distribution defined by the given figure find the m…
\(4.5\)
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draw a normal curve with $mu = 67$ and $sigma = 16$. label the mean and…
C.
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mathematics and data analysis use the information below to answer the q…
manipulation of data and identification of patterns
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mathematics and data analysis use the information below to answer the q…
actively engaging in tasks related to data analysis in a supportive role
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the graph of a normal curve is given. use the graph to identify the val…
The value of \(\mu\) is \(100\) and the value of \(\sigma\) is \(3\).
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1 about 200 years ago the cherokee indians were one tribe, or \indian n…
A. many Cherokees moved west to a territory that is now the State of Oklahoma.
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a study was conducted that resulted in the following relative frequency…
C. The histogram is not bell - shaped, so a normal distribution could not be used as a model for the variable.
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mathematics and data analysis use the information below to answer the q…
working in tandem with a team
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mathematics and data analysis use the information below to answer the q…
Master's degree
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mathematics and data analysis use the information below to answer the q…
visual aids like charts and graphs
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draw two normal curves that have the same mean but different standard d…
The two curves will have the same line of symmetry. The curve with the larger standard deviation will be more spread out than the curve with the smaller standard deviation.
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what is the mean of the standard normal distribution? what is the stand…
A. The mean and standard deviation have the values of $\mu = 0$ and $\sigma = 1$
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what is the name given to a normal distribution when $mu = 0$ and $sigm…
B. standard normal
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complete the statement below the points at ( x = )____ and ( x = )____ …
B. The points are \(x = \mu-\sigma\) and \(x=\mu+\sigma\)
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determine whether the following graph can represent a normal curve coul…
D. No, because the graph is not symmetric about its mean.
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which of the following are properties of the normal density curve? sele…
B. Its highest point occurs at \(\mu\); C. It is symmetric about its mean \(\mu\); D. The area under the curve to the right of \(\mu\) equals the area under the curve to the left …
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(a) draw a scatter plot of the data. (b) find the equation of the line,…
The equation of the line in slope - intercept form is \(y = 0.4x+0.1\)
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suppose that 32% of all births in a certain region take place by caesar…
The interval is \( (229.6,282.4) \)
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line 1: $y = 2x - 5$ line 2: $y = x - 4$ this system of equations is: c…
First system: consistent independent, a unique solution. Second system: consistent dependent. Third system: inconsistent.
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suppose that 32% of all births in a certain region take place by caesar…
a. On average, $256$ out of 800 births will take place by Caesarian section. b. The standard deviation is approximately $13.19$. c. The interval is $(230,282)$ (after rounding the…
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a recent survey found that 60% of all adults over 50 wear sunglasses fo…
C. mean 24, standard deviation 3.098
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a quiz consists of 640 true or false questions. if the student guesses …
A. 320
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1. part a: which of the following statements best summarizes a theme of…
B. People will naturally come together when threatened by an enemy and will do whatever it takes to feel safe again.
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according to a report, 70.5% of murders are committed with a firearm (a…
A. No, because 221 is between $\mu - 2\sigma$ and $\mu+2\sigma$
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according to a report, 70.5% of murders are committed with a firearm (a…
\(211.5\)
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according to an almanac, 80% of adult smokers started smoking before tu…
(a) Mean $\mu = 320$, Standard deviation $\sigma = 8$ (b) A. It is expected that in a random sample of 400 adult smokers, 320 will have started smoking before turning 18. (c) B. Y…
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according to an almanac, 80% of adult smokers started smoking before tu…
(a) \(\mu_X = 320\), \(\sigma_X=8.0\) (b) A. It is expected that in a random sample of 400 adult smokers, 320 will have started smoking before turning 18.
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according to an almanac, 80% of adult smokers started smoking before tu…
$\sigma_X = 8.0$
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according to an almanac, 80% of adult smokers started smoking before tu…
\(\mu_{X} = 320\)
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which question would best help you determine whether the attacks in par…
A. Were the attacks meant to change French policy by creating fear?
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how could finding the y - intercept of a trend line for a data set help…
C. The y - intercept gives the initial value at \(x = 0\), and interpreting this value can help determine whether a linear model makes sense.
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according to the federal communications commission, 70% of all u.s. hou…
B. 0.5948
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according to government data, the probability that an adult was never i…
B. 0.820
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according to a recent poll, half of all pet owners would get their next…
\(P(x>10)=0.612\)
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according to a recent poll, half of all pet owners would get their next…
\(0.612\)
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attendance this past season for the pittsburgh points was $1.87×10^{6}$…
\(1.80\times 10^{7}\)
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according to a recent poll, half of all pet owners would get their next…
\(P(x\geq14)=0.387\) (rounded to three decimal places)
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according to a recent poll, half of all pet owners would get their next…
\(0.388\)
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according to a recent poll, half of all pet owners would get their next…
\(P(x\geq14)\approx0.548\)
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according to a recent poll, half of all pet owners would get their next…
\(P(x = 11)=0.133\)
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according to a recent poll, half of all pet owners would get their next…
\(p = 0.5\)
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according to a recent poll, half of all pet owners would get their next…
a. D. A success is a pet owner who would acquire their next dog or cat from a shelter. b. \(n = 25\)
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according to a recent poll, half of all pet owners would get their next…
D. A success is a pet owner who would acquire their next dog or cat from a shelter.
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a binomial probability experiment is conducted with the given parameter…
\(0.1061\)
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a binomial probability experiment is conducted with the given parameter…
\(0.1052\)
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a binomial probability experiment is conducted with the given parameter…
\(0.0250\)
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in a certain state, 40% of adults indicated that sausage is ther favori…
\(n = 22\), \(p=0.4\), \(x = 13\)
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suppose you are taking an exam with 12 questions and you are required t…
a. \(0.194\) b. \(0.003\) c. \(0.001\) d. The true/false test would be easiest to pass by guessing, since the probability of getting at least \(8\) answers correct by guessing on …
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determine if the following probability experiment represents a binomial…
D. No, because the experiment is not performed a fixed number of times.
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determine if the following probability experiment represents a binomial…
B. No, because the trials of the experiment are not independent since the probability of success differs from trial to trial.
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determine if the following probability experiment represents a binomial…
A. Yes, because the experiment satisfies all the criteria for a binomial experiment, \(n = 30\)
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which of the following are criteria for a binomial probability experime…
B. The probability of success is the same for each trial of the experiment, C. The trials are independent, D. There are two mutually exclusive outcomes, success or failure, F. The…
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an architect is considering bidding for the design of a new museum. the…
a. \(\$0\) b. A. In the long run, the architect would expect to break even.
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an architect is considering bidding for the design of a new museum. the…
\(0\)
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1. in paragraph 18, what does alleviate mean? to make a decision about …
To make less severe
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which of the following is true about walking in many part of the spanis…
People of all ages and income levels walk as a means of transportation in the Spanish - speaking world.
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suppose a life insurance company sells a $200,000 1 - year term life in…
The expected value is \(\$228.80\). This means that, on average, for each such policy sold to a 20 - year - old female, the insurance company can expect to make a profit of approx…
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suppose a life insurance company sells a $220,000 1 - year term life in…
\(199.68\) Interpretation: On average, for each such policy sold, the insurance company can expect to make a profit of approximately \(\$199.68\) per policy in the long run.
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the pointer shown to the right can land on every number, and the respec…
\(2.625\)
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the graph of the discrete probability represents the number of live bir…
\(2.2\)
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name: europe moves toward war after napoleon was defeated, the congress…
1. Nationalists thought nations should be based on shared heritage, etc., and empires had multiple ethnic groups. 2. Over control of Morocco (as part of colonial competition). 3. …
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why is the pharaoh at the top of this social pyramid? a it shows their …
C. It demonstrates their supreme power and status
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2 \even with all that wealth and power, being a pharaoh definitely had …
C. There were disadvantages to the role
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question 5 of 43 which action did the south african government take aft…
C. It approved some financial reparations for the victims of apartheid.
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(02.03 hc) the following table shows the amount of air leaking from an …
\((8,0)\): the time it takes all the air to leave the inflatable.
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a man accidentally recovered cashel man as he was harvesting peat with …
Bog bodies are mummies. Some are so well - preserved that you can see hair on their arms. One bog body, Cashel Man, had severe injuries. This told scientists he had been killed. D…
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cashel man and other bog bodies can tell us a lot about the past. one s…
Bog bodies are mummies. Some are so well preserved that you can see hair on their arms. One bog body, Cashel Man, had severe injuries. This told scientists he had been killed. Iro…
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14. what does it mean to buy a vehicle? a. pay a fee to use it temporar…
d. Pay to own it completely
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read the passage from a dolls house helmer: calls out from his room. is…
They tell the reader that Torvald uses pet names for Nora and treats her like a child.
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this bog body was discovered in northern germany in 1952. cashel man an…
Bog bodies are mummies. Some are so well preserved that you can see hair on the bog body. Cashel Man had injuries. This told scientists he had been in a violent situation (for exa…
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32. committee representation there are 6 republican, 5 democrat, and 4 …
\(800\)
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fill in the blanks to explain how bog bodies can tell us a lot about th…
For the first blank (after "had been"): "violently treated" (since severe injuries imply some form of violent act). For the second blank (after "buried"): "their dead" (as it refe…
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4. what does it mean if a credit card has a cash - back reward program?…
A. It refunds a percentage of purchases
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read the passage from a dolls house nora: but it was absolutely necessa…
"it would upset our mutual relations altogether"
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what does it mean to buy a vehicle? a. pay to own it completely b. rent…
A. Pay to own it completely
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multiple choice question the minimum wage is primarily designed to help…
Less - skilled workers who are facing poverty
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the percent of college students marijuana use for a sample of 97,506 st…
\(48.3\%\)
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the percent of college students marijuana use for a sample of 97,506 st…
\(19.0\%\)
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in game 1, emerson struck out 30 times in 90 times at bat. in game 2, h…
68
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select the answer that best completes the given statement. the notation…
inverse
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the percent of college students marijuana use for a sample of 97,506 st…
\(48.3\)
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the percent of college students marijuana use for a sample of 97,506 st…
\(51.7\)
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you roll a six - sided die. find the probability of each of the followi…
\(0.667\)
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read the excerpt from act 2 of a dolls house. rank: the bigger a thing …
Nora realizes that she can no longer ask Doctor Rank for help because he is in love with her.
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multiple select question select all that apply the demand for labor res…
- the price of a complementary input decreases - the price of a substitute input decreases, provided the output effect exceeds the substitution effect - the productivity or margin…
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you roll a six - sided die. find the probability of each of the followi…
\(0.833\)
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a card is selected at random from a standard deck of 52 playing cards. …
\(0.308\)
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of the cartons produced by a company, 6% have a puncture, 10% have a sm…
\(14.9\)
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a physics class has 50 students. of these, 18 students are physics majo…
\(0.54\)