1. A survey was conducted with a random sample of 1000 adults. The participants were asked...
1. A survey was conducted with a random sample of 1000 adults. The participants were asked what their starting position was when they fell asleep at night. 41% said they start in the fetal position (on the side, curled up).
a. Are the appropriate conditions met to create a confidence interval using the standard normal distribution? Explain.
b. Compute a 99% confidence interval using the standard normal distribution. (Note that no software is needed, just a calculator):
c. Interpret the confidence interval.
Homework Answers
ANSWER::
NOTE:: I HOPE YOUR HAPPY WITH MY ANSWER....***PLEASE SUPPORT ME WITH YOUR RATING...
***PLEASE GIVE ME "LIKE"...ITS VERY IMPORTANT FOR ME NOW....PLEASE SUPPORT ME ....THANK YOU
Add Answer to:
1. A survey was conducted with a random sample of 1000 adults.
The participants were asked...
4) In a survey conducted by the marketing agency 11mark, 250 of 1000 adults confessed to...
4) In a survey conducted by the marketing agency 11mark, 250 of 1000 adults confessed to bringing and using their cellphone every trip to the bath room. a. Based on the result of this survey, obtain a point estimate for the proportion of adults who bring their cell phone every trip to the bathroom. b. Describe the shape of the distribution of p. C. Obtain the margin of error E for 99% confidence interval for p. d. Obtain the lower...
1. In a survey conducted in August, 2017, a random sample of 2,752 U.S. adults were...
1. In a survey conducted in August, 2017, a random sample of 2,752 U.S. adults were asked whether they had visited a public library in the previous 12 months. The results of this survey are shown in the two-way table below, stratified by gender. Conduct a hypothesis test on this data, using a 10% significance level, to test the claim that the true proportion of U.S. adult males who visited a public library in the previous 12 months differs from...
In a survey conducted in August, 2017, a random sample of 2,752 U.S. adults were asked...
In a survey conducted in August, 2017, a random sample of 2,752 U.S. adults were asked whether they had visited a public library in the previous 12 months. The results of this survey are shown in the two-way table below, stratified by gender. Conduct a hypothesis test on this data, using a 10% significance level, to test the claim that the true proportion of U.S. adult males who visited a public library in the previous 12 months differs from the...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think you will have enough money to live comfortably or not. Of the 1003 surveyed, 520 stated that they were worried about having enough money to live comfortably in retirement Construct a 99% confidence interval for the proportion of adults who are worked about having enough money to Ivo comfortably in retirement Click here to view the standard normal distribution table (page ) Click here...
In a survey of 1016 adults, a polling agency asked, "When you retire, do you think...
In a survey of 1016 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1016 surveyed, 533 stated that they were worried about having enough money to live comfortably in retirement. Construct a 99% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement Click here to view the standard normal distribution table (page 1). Click here...
9.3 In a survey of 1001 adults, a polling agency asked, "When you retire, do you...
9.3
In a survey of 1001 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1001 surveyed, 527 stated that they were worried about having enough money to live comfortably in retirement. Construct a 99% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click...
A polling center conducted a survey that asked 1016 adults how many books they'd read in...
A polling center conducted a survey that asked 1016 adults how many books they'd read in the last year. Results indicated that x baroverx=12.1 books and standard deviation, s, =16.6 books. Construct a 90% confidence interval for the mean number of books people read.
In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of...
In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using the cell phone every trip to the bathroom (contessons included testing and answering phone calls Complete parts (a) tough below Click here to view the standard normal distribution table 1). Click here to view the standard romal distrution lean 21 Why is the pointestinale found in part (c) a random variable? DA being used to make...
In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through grade 12. The bootstrap distribution (based on 5,000 samp
1. In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through grade 12. The bootstrap distribution (based on 5,000 samples) is provided. a). Would it be appropriate to use the normal distribution to construct the confidence interval in this situation? Explain briefly. b). The standard error from the bootstrap distribution is SE = 0.016. Use the normal distribution...
TUIE IIIJ UITLIULIUILT TULIT lile UMMC Duna Jurvey A survey conducted in July 2015 asked a...
TUIE IIIJ UITLIULIUILT TULIT lile UMMC Duna Jurvey A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an online dating site or a dating app on their cell phone). 55- to 64-year-olds The survey included 411 adults between the ages of 55 and 64, and 50 of them said that they had used online dating. If we use this sample to estimate the proportion of all American adults...
4) In a survey conducted by the marketing agency 11mark, 250 of 1000 adults confessed to bringing and using their cellphone every trip to the bath room. a. Based on the result of this survey, obtain a point estimate for the proportion of adults who bring their cell phone every trip to the bathroom. b. Describe the shape of the distribution of p. C. Obtain the margin of error E for 99% confidence interval for p. d. Obtain the lower...
1. In a survey conducted in August, 2017, a random sample of 2,752 U.S. adults were asked whether they had visited a public library in the previous 12 months. The results of this survey are shown in the two-way table below, stratified by gender. Conduct a hypothesis test on this data, using a 10% significance level, to test the claim that the true proportion of U.S. adult males who visited a public library in the previous 12 months differs from...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think you will have enough money to live comfortably or not. Of the 1003 surveyed, 520 stated that they were worried about having enough money to live comfortably in retirement Construct a 99% confidence interval for the proportion of adults who are worked about having enough money to Ivo comfortably in retirement Click here to view the standard normal distribution table (page ) Click here...
In a survey of 1016 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1016 surveyed, 533 stated that they were worried about having enough money to live comfortably in retirement. Construct a 99% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement Click here to view the standard normal distribution table (page 1). Click here...
9.3
In a survey of 1001 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1001 surveyed, 527 stated that they were worried about having enough money to live comfortably in retirement. Construct a 99% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click...
In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using the cell phone every trip to the bathroom (contessons included testing and answering phone calls Complete parts (a) tough below Click here to view the standard normal distribution table 1). Click here to view the standard romal distrution lean 21 Why is the pointestinale found in part (c) a random variable? DA being used to make...
TUIE IIIJ UITLIULIUILT TULIT lile UMMC Duna Jurvey A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an online dating site or a dating app on their cell phone). 55- to 64-year-olds The survey included 411 adults between the ages of 55 and 64, and 50 of them said that they had used online dating. If we use this sample to estimate the proportion of all American adults...
Most questions answered within 3 hours.
-
While rotating the tires on your car you notice a rock [mass =
0.1 Kg] stuck...
asked 43 minutes ago -
Using MARS simulator, write MIPS programs according to
the following scenarios: Receive a positive integer number...
asked 2 hours ago -
An object in front of a concave mirror has a real image that is
11.5 cm...
asked 2 hours ago -
Consider the reaction, C3 H8 + O2 --> CO2 + H2O. How many
moles of O2...
asked 4 hours ago -
You and your opponent both roll a fair die. If you both roll the
same number,...
asked 4 hours ago -
In a study of the accuracy of fast food drive-through orders,
Restaurant A had 257 accurate...
asked 4 hours ago -
Identify and describe in detail the four categories of
institutions that could be included in a...
asked 4 hours ago -
In python
class Customer:
def __init__(self, customer_id, last_name, first_name, phone_number, address):
self._customer_id = int(customer_id)
self._last_name =...
asked 5 hours ago -
What is an example of a limitation in implementing a new
ERP system and how it...
asked 4 hours ago -
In a section of 9.7cm of an artery with a radius of 2.6mm there
is a...
asked 4 hours ago -
the two carboxylic acid groups of aspartic acid have different
acidities with pKa values of 2.1...
asked 5 hours ago -
Would CuCO3 aqueous salt combined with calcium chloride
form a solid precipitate? If so, what would...
asked 5 hours ago