II. Among 250 employees, of the local office of an international insurance company, 182 are whites, 51 are blacks and the rest are Orientals. If 5% margin of error is used, Solution: 5. How many employees will be chosen for a case study as samples? 6. How many Orientals will be chosen? 7. How many whites will be chosen?

Q: 35. In a large sample, which is the bigger concern?

A: HERE GIVEN, SAMPLE SIZE IS TOO LARGE

Q: A researcher conducts an experiment comparing two treatment conditions with 20 scores in each…

A: Given, A researcher conducts an experiment comparing two treatment conditions with 20 scores in each…

Q: 5. Suppose a 12 year old asked you to explain the difference between a sample and a population, how…

A: As per our guidelines, we are allowed to answer first question only. Please repost next question…

Q: In 1950​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: Given data,   x1= 396                                                  x2= 319 n1=1100…

Q: 4. A company is interested in evaluating its current inspection procedure for shipments of 50…

A:

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Solution: Given information: n1= 1100 Sample size of adults in 1945 survey  x1= 352 adults indicates…

Q: 3. The Humane Society would like to conduct a telephone survey in a small town with a population of…

A:

Q: If we have a statistical community with only six vocabulary, and you need to choose a sample of only…

A: Given that, in a statistical community there are six vocabulary and we need to choose three sample…

Q: You are running a political campaign and wish to estimate, with 95% confidence, the proportion of…

A: Formula for the sample size needed to estimate a population proportion is

Q: Suppose that your sample size was 37, what is P(t<-1.74) (Negative 1.74)?

A: Given information- Sample size, n = 37 t-score = -1.74 We have to find the p (t&lt;-1.74). Degree of…

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: Given X=300 n=1815

Q: What proportion of 20% defective shipments will be accepted?

A: Given : N=50 , n=5 , p=0.20 , M=N*p=50*0.2=10 Here , X​​​​​​​Hypergeometric (n=5,N=50,M=10) The…

Q: In 1949, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Given: n1=1100x1=374p1=0.34n2=1100x2=330p2=0.30

Q: In order to estimate the population proportion with a high school education,  you need a minimum…

A:

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

Q: We need to estimate the percentage of businesses that plan to hire additional employees in the next…

A:

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents with a bachelor's degree…

A: From the provided information,

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: You are the operations manager for an airline and you are considering a higher fare level for…

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let, X1= number of abstainer in the previous test n1= total sample size of the past test p1^ =…

Q: - Suppose the Department of Energy in the Philippines surveyed 200 gasoline stations to determine…

A: a)In the given case, gasoline at all the gas stations is the population whereas the gas stations…

Q: Why a sample size of n=100 is more likely to have a percentage of pop songs closer to the population…

A: Sample of size 32 or greater is consider as large sample .

Q: should their sample size be?

A: here use solvin's formula

Q: A physical therapist wants to determine the difference in the proportion of men and women who…

A: The formula for margin of error is given as follows: E=zα/2p11-p1n+p21-p2n

Q: Teip An advocacy organization surveys 967 citizens of country A and 182 of them reported being born…

A: Sample proportion: Sample proportion is the proportion of individual in a sample with specific…

Q: In the study conducted by selecting 100 female and 100 male students in order to test the claim that…

A: given that  p- value=0.0228

Q: What value should we expect for our sample proportion?

A: We have to answer question based on proportion.

Q: recent poll reports that between 53% and 59% of voters will vote for president george in the next…

A: The confidence interval is (53%, 59%).

Q: A sample of n = 64 scores is selected from a population with µ = 80 and with σ = 24. On average, how…

A: Given A sample of n = 64 scores is selected from a population with µ = 80 and with σ = 24. On…

Q: Why doesn't it make sense to test the hypothesis that the sample mean is 42?

A: It is given that the hypothesis test is sample mean is 42.

Q: In 1941​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: In 1941​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

Q: In 1949​,an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: Sample 1:In 1949 survey, there are 374 individuals out of 1,100 indicated that they are total…

Q: 1. How many samples must be considered from a population of 28,000 students, if 5% margin of error…

A:

Q: After a disappointing season, President Adams, who is 5’7” tall, is voted off the Presidents’…

A:

Q: 1. Suppose the Department of Energy in the Philippines surveyed 200 gasoline stations to determine…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: 4. What is the number of interval if the given population size is 64 and the sample size is 8?

A: Given Information: Population size (N)= 64 Sample size (n)= 8

Q: How many levels were used in the experiment?

A: Given information: Variable of interest=Effect of C2F6 flow rate on the uniformity of the etch on a…

Q: If the population proportion is 0.7 . A researcher wants the margin of error to be 0.20 and the…

A: Given  pcap=0.7, Zcritical=1.96 at alpha=0.05 MOE=0.20

Q: In 1946, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let p1 be the proportion of adults took the survey in 1946 and p2 be the proportion of adults took…

Q: What would be the mean of the proportion of homeowners in this sample who prefer a finished…

A: The sampling distribution of p-hat (sample proportion) is approximately normal with mean p and…

Q: By how many times does the sample size have to be increased to decrease the margin of error by a…

A: Formula for margin of error is ME = Zα/2 * σ / √n where Zα/2 = critical value

Q: Assuming a sample size of 76, what is the 90th percentile for the AVERAGE teacher’s salary?

A: From the above question The given values are  n = 76 The calculate 90 th  percentile So the formula…

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents with a bachelor's degree…

A:

Q: 1. In your study, the population size is 10,000. What is the size of your sample if you allow 2%…

A: here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION    here given population size  N =…

Q: A survey of entrepreneurs focused on their job characteristics, work habits, social activities,…

A: Decision rule : Reject H0 if P-value  &lt;  α Here  P-value = 0.1738 &gt; 0.10 = α.  Conclusion…

Q: For a nuclear reduction plan, to compare the approval rate from people with college degrees and the…

A:

Q: In 1942, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Given that  Sample sizes n1=1100 , n2=1100 Favorable cases x1=440 , x2=418

Q: 2.9   Time magazine, in an article in the late 1950s, stated that “the average Yaleman, class of…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A physical therapist wants to determine the difference in the proportion of men and women who…

A: Given Error, E=±0.05CL=0.99

Q: A researcher will conduct a study on the economic situation of young people between the ages of…

A: A researcher will conduct a study on the economic situation of young people between the ages of…