The state of California is working very hard to ensure that all elementary age students whose native language is not English become proficient in English by the sixth grade. Their progress is monitored each year using the California English Language Development test. The results for two school districts in southern California for the 2003 school year are given in the accom- panying table." Do the data indicate a significant difference in the 2003 proportions of students who are fluent in English for the two districts? Use a = .01. District Number of students tested Percentage fluent Riverside 6124 40 Palm Springs 5512 37

The state of California is working very hard to ensure that all elementary age students whose native language is not English become proficient in English by the sixth grade. Their progress is monitored each year using the California English Language Development test. The results for two school districts in southern California for the 2003 school year are given in the accom- panying table." Do the data indicate a significant difference in the 2003 proportions of students who are fluent in English for the two districts? Use a = .01. District Number of students tested Percentage fluent Riverside 6124 40 Palm Springs 5512 37

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

See similar textbooks

Related questions

Q: Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully…

A: The data is defined below as follows: From the information, given that Let X denotes the…

Q: When crossing certain types of red and white roses, one obtains red, white and pink roses. Theory…

A: We can perform a chi-square goodness-of-fit test to determine whether the observed frequencies…

Q: 29. Selecting Cards Five cards are drawn from an ordinary deck without replacement. Find the…

A: A = event happens A' = 1-A = event does not happen P(A') = 1- P(A) = 1- 0.42 P(A') = 0.58 Hence…

Q: According to a study, the proportion of people who are satisfied with the way things are going in…

A: Note: “ Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: Nocaf Drinks, Inc. is a producer of decaffeinated coffee. Bonnie Crutcher, the operations manager,…

A: Given data: Sample Sample Average Sample Range A 4.00 0.31 B 4.16 0.51 C 3.99 0.44 D 4.00…

Q: Studies have shown that mildly obese people spend less time standing and walking, on the average,…

A: The average time spending on lying down of the two groups is given. Using this data need to test…

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: The formula to compute the percentage of faculty have less than 20 years of service is, % of faculty…

Q: The table below shows results from 10 replicate determinations of Cr in a single stainless steel…

A: Let X1 be the FAAS and X2 be the XRF. From the given information,

Q: 6. A Theory of Distribution student at the University of Limpopo has no knowledge of the chapter to…

A: 6) Answer:- According to the given information Probability of success on a trial, p = 0.5 (For a…

Q: Lane Count 1 294 2 276 O Standard Normal distribution 3 O Chi-squared distribution with 3 degrees of…

A: Given, total sample size (n) = 1000, number of lanes (k) = 4 H0: p1=p2=p3=p4 vs Ha: pi≠pj, i,…

Q: Assume that females have pulse rates that are normally distributed with a mean of μ = 73.0 beats per…

A: GIVEN DATA, normal distributionμ=73σ=12.5we find out the probabilities for the given data .

Q: At a local college, 213 of the male students are smokers and 497 are non-smokers. Of the female…

A: The event M is a male student who is a smoker The event F is a female student who is a smoker There…

Q: A college admissions officer takes a simple random sample of 60 entering freshmen and computes their…

A: Given that Sample size=60 Sample mean =459 Population standard deviation =117 Construct 98%…

Q: The random-number generator on calculators randomly generates a number between 0 and 1. The random…

A: A random varaible x ~Uniform(0,1)a=0b=1f(x)=1b-a ; a<x<bf(x)=11-0 ; 0<x<1f(x)=1…

Q: 1. A produce market has 16 tomatoes of which 7 have minor blemishes. If 5 of these are randomly…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: 9.24 You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting…

A: a. To test the hypothesis, we will use a two-tailed t-test since we are testing if the population…

Q: The following data gives the number of employees at the bookstore and the number of minutes students…

A: Given The Regression model is fitted to the given data. Sx2=56.857, Sy2=2095, Sxy2=-322.571,…

Q: Subjects for the next presidential election poll are contacted using telephone numbers in which the…

A: Given There are 10 numbers(0,1,2,3,4,5,6,7,8,9)for each digit

Q: Suppose that the walking step lengths of adult males are normally distributed with a mean of 2.72.7…

A: Answer Given a mean of 2.7 feet and a standard deviation of 0.2 feet. A sample of 63 men’s step…

Q: If a hypothesis test is performed and the null hypothesis is rejected in favor of the alternative…

A: If a hypothesis test is performed and the null hypothesis is rejected in favor of the alternative…

Q: cribe the sampling distribution of p. Assume the size of the population is 30,000. = 200, p = 0.4…

A: The data is as follows: n=200 N=30000 p=0.4

Q: (X, Y)~ Beta(01, 02, 03). Find the expected value and the variance of Y.

A: The joint probability density function of (X, Y) under the Beta distribution is given by: f(x,y) =…

Q: 32% of employees judge their peers by the cleanliness of their workspaces. You randomly select &…

A: P = nCk * pk * q(n-k) Here : n = Total no. of trials k = trial for which we calculate probability…

Q: Die that player. a random variable that represents the percentage of strikeouts of a professional…

A: Given x 0.318 0.31 0.34 0.248 0.367 0.269 y 2.9 7.8 4 8.6 3.1 11.1 Where random variable X…

Q: In a program designed to help patients stop smoking, 181 patients were given sustained care, and…

A: n=181α=0.10claim:p=0.78

Q: and characteristic function of Normal

A: The characteristic function of a normal random variable is a complex-valued function that completely…

Q: A random sample of 845 births included 435 boys. Use a 0.10 significance level to test the claim…

A: Solution: Given information: n = 845= Sample size of birth x = 435 boys p^=xn=435845= 0.5148…

Q: A normal population has a mean μ = 40 and standard deviation σ = 8. What proportion of the…

A: NORMAL DISTRIBUTION ,μ=40σ=8 proportion of the population is between 37 and 48=?

Q: Two different analytical methods were used to determine residual chlorine in sewage effluents. Both…

A: The following data is given, Samples Method A Method B 1 0.39 0.36 2 0.84 1.35 3 1.76…

Q: A realty company wants to create a linear model that will estimate the selling price of homes as a…

A: Given data:

Q: what proportation of a normal distribution is located between each of the following z-score…

A: The Z-sore values are given. Need to calculate the proportion of area between given Z-score values…

Q: From the given information in each case below, use technology to find the P-value for a chi-square…

A: The significance level, α=0.01 To find the p-value of the Chi-square test. “Since you…

Q: For the standard normal distribution shown on the right, find the probability of z occurring in the…

A: Given that the distribution is standard normal distribution. Z Score = -0.98

Q: Assume the random variable X is normally distributed with mean μ = 50 and standard deviation o=7.…

A: Mean=M=50, Standard deviation=S=7

Q: Data concerning the expenditure for health care in the United States is shown in the table. Year…

A: Data : Year (X) = independent variable Expenditure(Y) = dependent variable Year Expenditure…

Q: A researcher studying public opinion of proposed Social Security changes obtains a simple random…

A: According to the CLT, the sampling distribution of the sample proportion is approximately normal…

Q: A certain drug is used to treat asthma. In a clinical trial of the drug, 26 of 261 treated subjects…

A: Solution-: Given: n=261, x=26, P0=0.9=0.09, α=0.01 We want to identify which type of test two…

Q: Assuming no scheduling conflicts, how many different four-course selections can you make

A: Next semester you are going to take one science class, one math class, one history class and one…

Q: For a certain casino slot machine, the odds in favor of a win are given as 31 to 69. Express the…

A: Actual odds in favour: The ratio of number of ways that an outcome can occur compared to number of…

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 100…

A: Given,Sample size(n)=100no.of parents(X)=15

Q: Reconsider the output provided from the previous question: Model Summary Model Model 1 R R Square…

A: The output is given We have to find 7..regression equation which summarises the relationship between…

Q: 3) It can be shown that for a random sample of size n from an exponential distribution with mean 0,…

A: Mean=θ,(2/θ)∑X~χ2(r=2n)

Q: A normal population has a mean μ = 20 and standard deviation σ = 6. What is the probability that a…

A: Solution-: Given: μ=20,σ=6 We want to find P(X>29)=?

Q: Mortgage rates: Following are interest rates (annual percentage rates) for a 30-year fixed rate…

A: The interest rates for 30-year fixed mortgages from sample lenders for the day are given. Assume the…

Q: 14) In a survey of 2000 American adults, 57% of women have experienced street verbal harassment…

A: Given P=0.57 n=2000

Q: Find: a) P(X is at least 10) b) P(X is less than 5)

A: Let X = number of successes ~ Bi(12, .7). So p = 0.7 , q = 1-p = 0.3 n = 12

Q: An investment counselor calls with a hot stock tip. He believes that if the economy remains strong,…

A: The data is defined below as follows: From the information, given that Let X1 denotes the event…

Q: A normal distribution has a mean of 21 and a standard deviation of 4. Use the 68-95-99.7 rule to…

A: Assume that the normal distribution of the data has a mean of 21 and a standard deviation of 4

Q: Consider a normal distribution curve where 70-th percentile is at 12 and the 45-th percentile is at…

A: P(X≤12)=0.70 P(X≤7)=0.45

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: here value of x and p(x) are given we have to find out the p(4)=?

Question

100%

The state of California is working very hard to ensure that all elementary age students whose native language is not English become proficient in English by the sixth grade. Their progress is monitored each year using the California English Language Development test. The results for two school districts in southern California for the 2003 school year are given in the accompanying table.7 Do the data indicate a significant difference in the 2003 proportions of students who are fluent in English for the two districts? Use α = .01.