10% of all Americans live in poverty. If 47 Americans are randomly selected, find the probability that a. Exactly 3 of them live in poverty. b. At most 5 of them live in poverty. c. At least 2 of them live in poverty.

Q: mathematics test is applied to 34 students from the UPN people who obtain an average grade of 75.6…

A: Given that  Sample size n =34 Sample mean =75.6 Standard deviation =5.23

Q: For which one of the following distances would using the regression equation result in…

A: here given , Data is collected on the distance of several hikes (in miles), along with the amount of…

Q: Probability Identify the appropriate sample space of POSSIBLE SUMS of throwing two dices.

A:

Q: Use this information to answer questions #30 - #35: A set of n = 15 pairs of scores (X and Y values)…

A: According to the given information in this question We need to find the correlation for the data…

Q: A college entrance exam company determined that a score of 25 on the mathematics portion of the exam…

A: The hypothesized mean is 25.

Q: For the same data set above, if we set our alpha .01, find the critical r from the table:

A: It is given that  Number of observations n = 15 SSx = 4, SSy = 25 and SP = 6

Q: Question 1: Let X beta(a, 1). Find the distribution of- log(X). Hint: Use the fact that I'(a+1) al…

A:

Q: The OLS estimator is derived by A. making sure that the standard error of the regression equals the…

A: We have given the following statement about OLS.  OLS Or ordinary least squares is one of the…

Q: Suppose a researcher is testing the hypothesis Hn: p= 0.6 versus H,: p<0.6 and she finds the P-value…

A: Given : P-value = 0.28

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

A: According to the given information in this question We need to apply t test for one population…

Q: You are conducting a study to see if the accuracy rate for fingerprint identification is…

A: Given that  Population proportion p=26%=0.26 Test statistic z = - 2.941

Q: The [-value for testing H0: mu = 100 against Ha: mu != 100 is 0.001. This indicates… A. The…

A: The p-value is 0.001.

Q: 36. A police officer uses a motion detector to indicate whether a car is traveling faster than the…

A: Given that Based on the given data  Option c is the correct choice  The probability of not issuing a…

Q: Compute the following. (a) P6, 2. (b) C6, 2. (c) P6, 6.

A: P(n,r)=n!n-r!C(n,r)=n!n-r!.r!

Q: Systolic and diastolic blood pressure are measured in a large sample of healthy adults. The…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: In a study, the data you collect is standardized exam score . What type of data is this? Qualitative…

A: We have given that,  in a study the data you collect is standardized exam score . what type of data…

Q: Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is…

A: Given data mean=2.68  standard deviation=0.93

Q: Consider the following estimated regression with a sample of size n=50: AHE = -2.44 – 1.57 • DFemale…

A: Given: AHE^=-2.44-1.57×DFemale+0.27×DMarried+0.59×Educ+0.04×Exper and the scatter plot

Q: A sociologist plans to conduct a survey to estimate the percentage of healthcare professionals who…

A: From the provided information, Confidence level = 92% Margin of error = 3%

Q: 2. Miguel and Luis are playing a game. Miguel will roll a number cube and Luis will guess the number…

A: Here AS PER note given I have calculated 2

Q: 49. If a set of X and Y scores has a Pearson correlation ofr= 0.50, 50% of the variability in Y…

A: We have given the statement about the Pearson correlation.

Q: 2. A researcher claims that between the two competing food companies, Company 1 has a greater…

A: Given  Sample mean x̄1=3.37, n1=103, n2=225 sample mean x̄2=3.28 Level of significance ɑ=0.10…

Q: Construct a 99% confidence interval of the population proportion using the given information. x=…

A:

Q: Determine the point estimate of the population proportion, the margin of error for the following…

A:

Q: 1. Due to the increasing cases of malnutrition among toddlers in a certain barangay, a group of…

A: when we have a situation like we have to test the hypothesis like in before and after situation we…

Q: le )A poll of size 30 in a huge shopping mall found that 23 women wish to have an Q6. attraction…

A:

Q: If (X(t); t e T} be a time series then for any t, t2 define the autocovariance function (t1,t2) =…

A: Given information: It is given that {X(t); t e T} be a time series for any t1, t2.

Q: B. Find the critical value za that corresponds to the given confidence level. 1. 92% 2. 94% 3. 96%…

A:

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

A: Given Population mean μ=104, population standard deviations σ=15  Let X be the IQ of the ruling…

Q: Scores on the biology portion of the Medical College Admissions test (MCAT) are normally distributed…

A: Given that  X~Normal(μ=8.1,σ=2.7) Find  P(X&gt;10.3)

Q: ng the number of enre ay Tuesday Wednes 10 20

A: The explanation is given as,

Q: Solve in digital format please Theoretically, a milk carton packer pours 1000 ml. per unit. A…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 10001000 Sample Standard Deviation (s)(s) =…

Q: 71% of all Americans are home owners. If 32 Americans are randomly selected, find the probability…

A: Let X be the random variable from binomial distribution with probability (p) = 71% = 0.71 and sample…

Q: Find the probability that on any given day that there will be at most 7 thousand dollars in sales.

A:

Q: Data was gathered from several homes for sale in Cincinnati Ohio, in order to examine the…

A: Given that  When a regression equation is constructed in order to predict the price of a house based…

Q: Consider the regression function C, = B, • I, + U,, where C;indicates the household's consumption…

A: Given: Consider the regression function Ci = β1 * Ii + Ui, where Ci indicates the household's…

Q: Here is a set of data. 4 50 73 103 185 230 363 407 411 450 488 556 760 958 Identify the 5 number…

A: We have given that the data set. Here, need to find out the five number of summary.

Q: to a pet owner. Dogs were categorized as small, medium, or large. Costs were calculated as the aver…

A: Given: The calculated F statistic was 421.58

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given that  p=72%=0.72 Null hypothesis=H0  , Alternate hypothesis=H1

Q: On the basis of her newly developed technique, a student believes she can reduce the amount of time…

A:

Q: 90 adults with gum disease were asked the number of times per week they used to floss before their…

A: Given data is

Q: The probability that a car will arrive at its destination is uniformly distributed from 30 minutes…

A: Given that  X~Uniform(30 , 50) f(x)=1/(50-30)=1/20   , 30&lt; X&lt;50       = 0…

Q: Calculate the p-value for the following conditions and determine whether or not to reject the null…

A: Given that  Calculate the p-value for the following conditions and determine whether or not to…

Q: We know that the wage distribution in the US is not normally distributed. It is closer to a pareto…

A: Since we know that the central limit theorem States that, the sampling distribution would be normal…

Q: Given the following data: 43 50 47 49 56 Determine MAD a) Σ -mean %3D b.) MAD = (in one decimal…

A:

Q: Consider the following time series data for the real consumption of households and government, at…

A: Time series defined as the depending on time. The data is arranged in a chronological order of time.…

Q: To study the effect of temperature on yield in a chemical process, five batches were produced at…

A:

Q: 44. A researcher measures driving distance from college and weekly cost of gas for a group of…

A: We have given that the statement about to the correlation coefficient. Here, need to find out the…

Q: The amount of sugar in a Krispy Kream glazed donut is 10 g. Many people feel that cereal is a…

A: Given that  Observation: XX X^2X2 1 10 100 2 14 196 3 12 144 4 9 81 5 13 169 6 13 169…

Q: Suppose the null hypothesis is rejected. State the conclusion based on the results of the test. Six…

A: We have given the following statement about the null hypothesis is rejected.