Two different simple random samples are drawn from two different populations. The first sample consists of 40 people with  21 having a common attribute. The second sample consists of  2200 people with 1554 of them having the same common attribute. Compare the results from a hypothesis test of P1=P2  ​(with a 0.01  significance​ level) and a ​99% confidence interval estimate of P1-P2  Identify the test statistic.   enter your response here ​(Round to two decimal places as​ needed.)

Q: A random sarmple of ni = 268 people who live in a city were selected and 120 identified as a "dog…

A: Given  n1=268, X1=120, n2=117, X2=59

Q: A clinical trial tests a method designed to increase the probability of conceiving a girl. In the…

A:

Q: Nolan hopes to determine the difference in the proportion of males and females who play video games…

A: For girls, sample size is n1= 200 Number of girls who play video games, X1 = 158 We know that,…

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: X1=30, n1=1800, n2=1310, X2=16 Level of signicance α=0.01Ho=p2 (claim)

Q: Two different simple random samples are drawn from two different populations. The first sample…

A:

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: Denote p1, p2 as the true population proportions of people with common attributes from 1st and 2nd…

Q: The average IQ score of an individual is 100. In a study based on a random sample of 1,000 high…

A:

Q: Fandom samples are drawn from two different populations. The first sample consists of 30 people with…

A:

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: As per our guidelines , we are only allowed to answer three sub-parts per question.   For sample 1,…

Q: A poll reported 38% support for a statewide election with a margin of error of 1.36 percentage…

A: Proportion of voters who supports for a statewide election Margin of error Confidence level

Q: Nolan hopes to determine the difference in the proportion of males and females who play video games…

A: Given, For Girls : sample size (n1)  = 200 number of girls who played video games at least four days…

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: The following is the formula for the difference of two populations                          i.e.,…

Q: The admissions officer at a small college compares the scores on the Scholastic Aptitude Test (SAT)…

A: Since, the population variances are unknown the Student's t-test will be applied. The variances are…

Q: The following sample information is given concerning the ACT scores of high school seniors from two…

A: The  descriptive statics given is as follows

Q: A poll of 827 students at Alpha state college found that 61% of those polled preferred a quarter…

A: It is given that the proportion of the students who preferred a quarter system to a trimester…

Q: The Graduate Schools take a random sample of recent MS graduates (n=135) and finds that 12 of these…

A: Givenn=135x=12confidence interval = 90%p^=xn=12135=0.0889α=1-0.90=0.10α2=0.05zc=zα2=z0.05=1.6449…

Q: In an experiment of normal body temperatures in degrees Fahrenheit, 6 males ages 25-40 were given a…

A: The data set is: 97.1 99 98.2 98.9 98.1 99.4

Q: A large container contains colored beads. A simple random sample of beads yielded 107 red beads and…

A:

Q: A clinic sampled 15 of its patients, based on the sample ,the variance patient waiting time is 16…

A:

Q: riple Two different simple random samples are drawn from two different populations. The first sample…

A: Given Information: Sample 1: Sample size n1=20 Number of successes x1=11 Sample 2: Sample size…

Q: What proportion of the sample reported that they had been cyberbullied?

A: Givensample size(n)=14795No.of respondents say yes they had been cyberbullied(x1) = 2219No.of…

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: In randomized, double-blind clinical trials of a new vaccine, children were randomly divided into…

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

Q: A random sample of high school students is used to estimate the mean time all high school students…

A: Solution: From the given information, a 99% confidence interval is 1.7 hours to 3.1 hours.

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: From the information, given thatLet p1 denote the population proportion of sample 1.Let  p2 denote…

Q: The proportion of people changing residence in the USA each year is 0.165. A researcher believes…

A: Given: n=50 p0=0.165p⏜=0.24α=0.05

Q: A simple random sample of 1000 people age 18 or over is taken in a large town. It turns out that 323…

A: Given that  n = 1000 , X = 323

Q: Two different simple random samples are drawn from two different populations. The first sample…

A:

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: To compare the results of a hypothesis test and a confidence interval estimate, we first need to…

Q: Two different simple random samples are drawn from two different populations. The first sample…

A:

Q: An insurance company collects data on seat-belt use among drivers in a country. Of 1100 drivers…

A: We have given two age groups of drivers and an insurance company collects data on seat-belt use…

Q: A random sample of n₁ = 213 people who live in a city were selected and 91 identified as a "dog…

A: n1=213x1=91n2=120x2=67α=1-0.90=0.10

Q: A survey of 225 randomly chosen commuters are asked if they support an expanded public…

A:

Q: A random sample of n1  = 258 people who live in a city were selected and 74 identified as a "dog…

A: given data  n1 =258    x1 = 74p^1 = x1n1 = 74258 = 0.2868 n2 = 102    x2 = 63 p^2 = x2n2 = 63102 =…

Q: a survey asked a random sample of n= 2752 us adults whether they had visited a public library in the…

A: The number of females said yes (xf) is 726 and the total number of females (nf) is 1423.

Q: In a science fair​ project, Emily conducted an experiment in which she tested professional touch…

A: Given data, n=330 x=155 sample proportion p=x/n =155/330=0.47   z-value at 95% confidence is zc=1.96

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: given data sample 1 : n1 = 40x1  = 20sample 2 : n2  = 2200x2 = 1573α = 0.05claim : p1 = p2

Q: An insurance company collects data on seat-belt use among drivers in a country. Of 1100 drivers…

A: Answer:-  Given, Sample size (30-39), n1 = 1100 Sample proportion (30-39), p1 = 0.25 Sample size (55…

Q: A researcher surveys a group of college students to determine the negative life events that they…

A: The given values are

Q: A survey was conducted of visitors to the Jakarta Fair. For this reason, two groups of samples were…

A: There are totally 500 visitors for women in which 325 people said they were satisfied with the…

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: Given that :  Two different simple random sample are drawn from two different populations. Let α =…

Q: A random sample of n = 246 people who live in a city were selected and 76 identified as a "dog…

A: We have given that,  X1 = 76 , N1 = 246 and X2 = 69, N2 = 115 Then,  We will find the 90% confidence…

Q: A random sample of n₁ = 261 people who live in a city were selected and 107 identified as a "dog…

A: Suppose p1 is the true population proportion of people that live in the city who identify as a “dog…