There is a very popular lottery in which a ticket is called a scratcher. In this lottery, 47% of the scratchers are winning ones. Suppose that we will take arandom sample of 7 scratchers. Let p represent the proportion of winning scratchers from the sample. Consider the sampling distribution of the sampleproportion p.Complete the following. Carry your intermediate computations to four or more decimal places. Write your answers with two decimal places, rounding if needed.(a) Find(the mean of the sampling distribution of the sample proportion).Hへ =|(b) Find on (the standard deviation of the sampling distribution of the sample proportion).

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Answered: here is a very popular lottery in which…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I have a group with 6 members from my family.I've weight 52 kg,my father weight 63 kg,my younger brother weight 35 kg,my cousin weight 38 kg,my uncle weight 72 kg. and my eldest brother weight 55 kg.Consider samples of size 4 that can be drawin from this population. Answer the following questions:(Answer number 1,2 and 3) 1.How many possible samples can be drawn?2.List all possible samples and the corresponding means.3.Construct the sampling distribution of the sample means.
Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume you want to be 90% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Completed parts a and b below. A.) assume that nothing is known about the percentage of passengers who prefer aisle seats. N= ____ (round up to the nearest integer) B.) assume that a prior survey suggest that about 35% of air passengers prefer an aisle seat. N=____ (round up to the nearest integer)
A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?
There is a very popular lottery in which a ticket is called a scratcher. In this lottery, 46% of the scratchers are winning ones. Suppose that we will take a random sample of 8 scratchers. Let p represent the proportion of winning scratchers from the sample. Consider the sampling distribution of the sample proportion p. Complete the following. Carry your intermediate computations to four or more decimal places. Write your answers with two decimal places, rounding if needed. (a) Find u^ (the mean of the sampling distribution of the sample proportion). (b) Find o^ (the standard deviation of the sampling distribution of the sample proportion). Submit Assignme Continue 2021 McGraw- Hill Education. All Rights Reserved. Terms of Use Privacy Accessit
From a family of 6 members, assign the weight of each member. Consider samples of size 4 that can bedrawn from this family.1. How many possible sample that can be drawn?2. List all possible samples and their corresponding means.3. Construct the sampling distribution of the sample means.4. Draw the Histogram of the sampling distributions.
7
A statistics teacher asked two different students, Lexie and Jennifer, to go to Wegmans and sample 30 shoppers each. The population of interest for both people can be defined as, “People who shop at the Johnson City, NY Wegmans store”. Here is what each person did to collect their sample: Lexie: She stood outside at the entrance to the store on 3 different days and times and surveyed every 15th person to walk by her. She surveyed 10 people each time to get her 30. Jennifer: She went to Wegmans after her nursing shift first thing Wednesday morning to buy deodorant since she ran out. When she was in the pharmacy area she surveyed all the people around her and then, to get up to 30 surveys, she went to the health food section and surveyed everyone she was there. Identify at least 2 specific reasons why Lexie’s approach is more likely to give a representative sample. Consider sources of bias, or types of shoppers who might be excluded by Jennifer’s approach.…
I have a group with 6 members from my family.I've weight 52 kg,my father weight 63 kg,my younger brother weight 35 kg,my cousin weight 38 kg,my uncle weight 72 kg. and my eldest brother weight 55 kg.Consider samples of size 4 that can be drawin from this population. To Do: Draw the histogram for the sampling distribution of the sample means.
Withdrawal symptoms may occur when a person using a painkiller stops using it. For a certain, widely taken painkiller, withdrawal symptoms occur in 18% of people who have stopped using the painkiller. Suppose that we will take a random sample of 8 people who have stopped using the painkiller. Let p represent the proportion of people from the sample who experienced withdrawal symptoms. Consider the sampling distribution of the sample proportion p. Complete the following. Carry your intermediate computations to four or more decimal places. Write your answers with two decimal places, rounding if needed. (a) Find (the mean of the sampling distribution of the sample proportion). P H₁₁ = 1 Р (b) Find G (the standard deviation of the sampling distribution of the sample proportion). P 0₁ = P
There is u very popular lottery in which a ticket is called a scratcher. In this lottery, 43% of the scratchers are winning ones. Suppose that we will take a random sample of 10 scratchers. Let p represent the proportion of winning scratchers from the sample. Consider the sampling distribution of the sample proportion p. Complete the following. Carry your intermediate computations to four or more decimal places. Write pur answers with two decimal places, rounding if needed. (a) Find HA (the mean of the sampling distribution of the sample proportion). %3D (b) Find on (the standard deviation of the sampling distribution of the sample proportion). %3D Explanation Recheck 2021 McGraw-Hill Education All Rights Reserved Terms of Use Privacy STOSOT erm er m « Previous hp

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