The American Medical Association is interested in commissioning a study on the population proportion of college students who binge drink during spring break. They wish to estimate the proportion to within 0.035 with 80% confidence. How many individuals should be included in the sample? 8 336 784 Insufficient information to answer the question O 0 O O

Q: magine that I want to conduct a survey to find out how many households have at least one cat. If I…

A: It is given that margin of error (E) is 0.10 and the confidence level is 0.80.

Q: 2. Given: n=80, a = 15, level of confidence is 92%. What is the margin of error of the given data?

A:

Q: 2) Assume the p=.03 (3%). How large a sample is needed to estimate the proportion of breast cancer…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: Margin of Error(E)=0.05For 99% confidence level Zα2=2.576 Formula; E=Zα2×(p×(1-p)n)

Q: how large of a sample n would you need to estimate p with a margin of error 0.01 with 95%…

A: Given Information: Margin of error = 0.01 Confidence level = 95% p^=0.2 To find sample size n:…

Q: After calculating Cohen’s d as a measure of effect size, this treatment would be classified as…

A: Given : n=64 , µ= 50 ,  σ = 12 , sample mean=M=52 Our aim is to find the given statement is TRUE of…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: It is given that margin of error (E) is 0.04 and the confidence level is 99%.Here,

Q: A researcher wishes to estimate the  proportion of adults who have high speed internet access. what…

A: Given Information: Error (e) = 0.02 Confidence level = 90%  The z score at 90% confidence level is…

Q: 6) How many people should I poll to guarantee the actual error on PN is less than e with 90%…

A: Given information: N = Total number of people polled N. p^N=Number of people polled who supported…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: From the provided information, Margin of error (E) = 0.04 Confidence level = 90%

Q: Consider college officials in admissions, registration, counseling, financial aid, campus ministry,…

A:

Q: A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What…

A:

Q: (d) How many subjects are needed to estimate the mean number of books read the previous year within…

A: (d) The mean number if books read the previous year within four books, and standard deviation is13.3…

Q: A store manager wants to estimate the proportion of customers who spend money in this store. How…

A: Given data: margin of error = 0.075 80%  = confidence level To find: How many customers are…

Q: 3. The American Medical Association (AMA) wishes to determine the percentage of obstetricians who…

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

Q: d. Suppose the ecologist ends up sampling n = 9 alligators and calculates a sample mean of =…

A: confidence interval calculation

Q: 21. The estimate of the population proportion should be within plus or minus .05, with a 95% level…

A: α = 0.05 Zα2 = 1.96 Use Excel function=NORMSINV(0.025)

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: a) Given,   Margin error = 0.02 Population proportion = 0.36   The objective is to find the sample…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: GivenMargin of error(E)=0.03confidence level(c)=99%α=1-0.99=0.01α2=0.05zα2=z0.05=1.6449   (from…

Q: me that a sample is used to estimate a population proportion p. e given statistics and confidence…

A: The value of z at 98% confidence level is 2.33, which can be found by using the standard normal…

Q: In testing the hypothese H0 : p = 0.4  Ha : p ≠ 0.4 The test statistic is found to be 1.87. What is…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny . What…

A: A) Sample size obtained when he uses a previous estimate of 32%. As given he wishes the estimate to…

Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…

A:

Q: An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans…

A: p^=xn= 2255= 0.40

Q: 4.An internet service provider wishes to estimate, to within one percentage error, the current…

A: Given : Margin of error (E) = 1% = 0.01 Confidence level = 85% So , significance level (α) = 15% =…

Q: 27. What sample size should you take to be 95% confident that the estimate of the true proportion of…

A:

Q: 6. Calculate the sample size needed in order to estimate the true proportion of defective in a large…

A: Confidence interval are constructed by using z distribution.

Q: A researcher wishes to estimate the proportion of adults who have high-speed internet access. What…

A:

Q: Determine tc for n = 15 and a confidence level of 99%.

A: From the given information, Sample size (n) =15, Confidence level (1-α)= 0.99 Thus, the t-critical…

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

A: It is given that there is 95% confidence.

Q: A restaurant is planning to remove fried chicken from the menu. Sales are said to have fallen below…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: Solution: From the given information, confidence level is 0.99, p=0.25 and E=0.03.

Q: 4. How large a sample must be taken to estimate the proportion of households in which a cell phone…

A: In probability theory, a normal distribution is a type of continuous probability distribution for a…

Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…

A: Solution-: We have,  Number of sample fish=500, α=0.05 Also, proportion are 30% catfish, 15% bass,…

Q: (d) How many subjects are needed to estimate the mean number of books read the previous year within…

A: (d)

Q: 1. Use the Student's t-Table to locate the value oft under the following conditions. 2. The sample…

A: 1) Sample size , n  = 12 Degrees of freedom  = n-1 = 12-1=11 Confidence level = 0.95 significance…

Q: 1. Given: n=130, a = 25, level of confidence is 90%. What is the margin of error of the given data?

A: The sample size is given as 130, n=130 The standard deviation is given as 25, σ=25 The Confidence…

Q: A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What…

A: Given, A researcher wishes to estimate the proportion of adults who have high speed internet access…

Q: Which of the following is true based on the results of this survey?

A: A Gallup survey based on telephone and face-to-face interviews with 4,220 adults in China, aged 15…

Q: 11. A local radio station is interested in estimating the percentage of a target market that has a…

A: Given Alpha (α) =0.02 Error=0.025 Pcap=0.56

Q: (a) Starting with the 75% estimate for Italians, how large a sample must you collect in order to…

A: The method of Sample Size and margin of error will be used: In a confidence interval, the range,…

Q: 12) Find the sample size need to find the Population Proportion if the margin of error is 5%, the…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny What size…

A:

Q: Find the margin of error for the given 1. o = 3.5 n = 45 a. 90% confidence level

A: To find the margin of error for the given confidence levels: Margin of error indicates how many…

Q: During the first 13 weeks of the television season, the Saturday evening 8:00 PM to 9:00 PM audience…

A: The hypothesis being tested is: Null Hypothesis, H0: p1=0.29, p2=0.26, p3= 0.24,p4=0.2 Alternative…

Q: A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What…

A: Solution: a. From the given information, confidence level is 0.99, p=0.48 and E=0.03.

Q: Which store do you think is more expensive—physical or online? A recent survey found that 45% of…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny . What…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: a) Given that: p= previous estimate = 32% =0.32 e= error= 3%=0.03 z=critical value for confidence…

Q: 1(b). At 99% confidence, what is the margin of error?

A: here use given data table