Answered: claim that 65% student get good score…

claim that 65% student get good score on their math test there are 75 students in tha class and 52 student get good score in math test find out the 99% confidence interval for population proportion

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: If n=390 and p (p-hat) -0.07, find the margin of error at a 99% confidence level

A: The sample proportion is 0.07. The sample size n is 390.

Q: lease help me dont do handwritten and please provide proper concept and steps. Vaccination Rate…

A: Vaccination Rate Using the data from a survey, we calculated that by Jan 2022, the 90% confidence…

Q: If n=340 and p (p-hat) = 0.58, construct a 95% confidence interval. Give your answers to three…

A: From the provided information, Sample size (n) = 340 Sample proportion (p̂) = 0.58 Confidence level…

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: GivenMargin of error=0.07confidence interval(c)=95%Let us…

Q: ind margin of error & confidence interval for the population mean µ if sample of 8 objects is given:…

A: Given data: 3, 9, 7, 4, 2, 11, 8, 7 Sample size n=8 Confidence level = 98% = 0.98 Significance level…

Q: A random sample of 19 subjects was asked to perform a given task. The time in seconds it took each…

A: Given,sample size(n)=19degrees of freedom(df)=n-1df=19-1=18α=1-0.95=0.05α2=0.025t0.025(18)=2.101…

Q: If n=490 and p (p-hat) -0.79, find the margin of error at a 99% confidence level Give your answer to…

A: The question is about margin of error.Given :No. of observations in the sample ( n ) = 490Proportion…

Q: A random sample of 861 birds in a state, including 422 boys construct a 95% confidence interval…

A: Sample size, Number of boys, Confidence level,

Q: Assume that all necessary conditions were met for creating a confidence interval for a proportion.…

A: The confidence interval is the range of interval in which the unknown values exist. It can be…

Q: Suppose that I construct a confidence interval for the mean test grade on exam 1 using Statcrunch…

A: From the given information, the confidence interval for the mean test grade on exam 1 is (68.9,…

Q: what is the value for x^2 left for a 95 confidence interval when n=18

Q: 4) A researcher calculated a 95% confidence interval of (15, 21). This means that if 100 such…

A: 4.)The real interpretation of a 95% confidence interval is that, when 100 confidence intervals would…

Q: survey of 500 students are selected randomly 230 say that they believe in their perents decisions…

A: Given,n=500x=230p^=xnp^=230500=0.461-p^=1-0.46=0.54α=1-0.95=0.05α2=0.025Z0.025=1.96 (from Z-table)

Q: If n=340 and p (p-hat) =0.85, find the margin of error at a 99% confidence level Give your answer to…

Q: claim that 65% student get good score on their math test there are 75 students in tha class and 52…

A: We have given that Population proportion p= 65%=0.65 Sample size n=75 , favorable cases x=52 Sample…

Q: A survey of 25 randomly chosen students at a particular college found that the mean number of years…

A: From the provided information, Sample size (n) = 25 Population standard deviation (σ) = 2.3 Sample…

Q: 34, 37, 37, 38, 41, 42, 43, 44, 44, 45, 45, 45, 46, 48, 49, 53, 53, 54, 54, 55, 56, 57, 60 (a)…

A: (a) Obtain the 90% confidence interval for the population mean. The 90% confidence interval for…

Q: A candom sample of 13 subjects was asked to perform a given task. The time in seconds it took each…

Q: Age In a study of how depression may affect one’s abil-ity to survive a heart attack, the…

A: The assumption and conditions for inference: (i)Randomization condition:It can be assumed that the…

Q: Explain please!! It's for the mock exam, i already have the anwers but I need the procedure (it's…

A: Using the confidence interval formula:xˉ±Zns where:xˉ is the meanZ is the Z-values is the standard…

Q: College admissions officer sampled 124 entering freshmen and found that 35 of them scored less than…

A: From the provided information, Sample size (n) = 124 Out of which 35 scored less than 530 on the…

Q: In a simple random sample of 23 small business owners, 22 said that hiring college graduates makes…

A: Given that Sample size (n) = 2 X = 22 P cap = x/n = 22/ 23 Proportion (P0 ) = 79% = 0.79 Alpha…

Q: If the alternative is true in reality we would the test statistic to be *fill in the blank*…

A: The p-value is small when the test statistic has larger values in order to reject the null…

Q: In survey 500 students are selected randomly 230 say that they believe in their perents decisions…

A: Givensample size(n)=500x=230p^=xn=230500=0.46confidence interval(c)=90%α=1-0.90=0.10α2=0.05critical…

Q: If n=440 andp (p-hat) =0.57, find the margin of error at a 99% confidence level Give your answer to…

Q: A random sample of 115 dogs was check to see how many were wearing a collar. it was found that 84%…

A: sample proportion()=0.84Margin of error(E)=0.01confidence level=95%

Q: Working Backwards from the Confidence Interval to Find the Sample MeanSometimes when we read…

A: The objective of the question is to find the sample mean from the given confidence interval. In…

Q: survey 500 students are selected randomly 230 say that they believe in their perents decisions are…

A: In a survey 500 students are selected randomly 230 say that they believe in their parents decisions…

Q: there is 92 students in the class 25 get a grade in their sociology exam find out 95% of confidence…

A: as per bartleby guideline expert have to answer first question only..

Q: The data given to the right includes data from 38 candies, and 5 of them are red. The company that…

A: X= 5 ,n= 38

Q: Out of 600 people sampled, 198 had kids. Based on this, construct a 90% confidence interval for the…

A: Obtain the 90% confidence interval for the true proportion of people with kids The 90% confidence…

Q: Let's suppose you draw random samples of same size from same population and compute 95% confidence…

A: The objective is to define the correct assumption regarding the population mean confidence interval…

Q: What is the point estimate of the population proportion, the margin of error for each confidence…

A: Given Information Lower bound = 0.201 Upper Bound = 0.249 Point estimate of population proportion

Q: What can you determine from the two images and comparing the N, mean, st deviation, std error mean,…

A: Image 1: Descriptive Statistics: The sample size, N is equal for both disorder N and OCD. The mean,…

Question

claim that 65% student get good score on their math test

there are 75 students in tha class and 52 student get good score in math test

find out the 99% confidence interval for population proportion

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

If n = 80 and p^ = 0.8, construct a 95% confidence interval. Give your answers as decimals, rounded to three decimals.
How do we do it?
Question 5 > Express the confidence interval (20.9 % , 30.5 % ) in the form of p + ME. Check Answer
This Is A REVIEW! Please help and show work on paper
Setting the confidence level at 90\% instead of 95% decreases the sample size decreases the width of the confidence interval increases the width of the confidence interval increases the sample size
A random sample of 17 subjects was asked to perform a given task. The time in seconds it took each of them to complete the task is recorded below. 47, 50, 40, 40, 48, 44, 39, 29, 34, 47, 27, 46, 46, 45, 47, 27, 35 Send data to calculator Send data to Excel If we assume that the completion times are normally distributed, find a 95% confidence interval for the true mean completion time for this task. Then find the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: | Upper limit:I
https://1drv.ms/x/s!AtOrdm3usPcAgmQXM6WPhcSyT3in
If n=580 and p (p-hat) =0.83, find the margin of error at a 95% confidence level Give your answer to three decimals Submit Question Jumn to Answer
Say we have a population parameter, and the 95% confidence interval for it is (-3, 10). Do you have evidence to conclude that the parameter is less than 11? Yes No