The mean incubation time of fertilized chicken eggs keep at 100.5of

FIND A SOLUTION AT Academic Writers Bay

 
 
1. The mean incubation time of fertilized chicken eggs keep at 100.5oF in a still-air incubator is 21 days. Suppose that the incubation times are approximately normally distributed with standard deviation of 1 day. If you are taking 400 random sample eggs and record the incubation time.
a. What is standard deviation for the average time?
b. Use the 99.7% of the data, describe the variability of this sample mean
c. What is the probability that a randomly selected fertilized chicken egg hatches in less than 20 days?
d. If you increase the sample size by n x 16, how this will affect standard deviation of the sample mean?
 
2. A Gallup Poll finds that 22% of Maryland residents visited Casino in the past 12 months. You decide to interview a random sample of 20 residents from Washington, D.C. if they visited Casino in the last 12 months. (Assume that this survey follows a Binomial Distribution).
a. What is the mean and distribution (of the sample mean of DC residents visiting Casino in the past 12 months?
b. If you increase the sample size by n x 16, how this will affect standard deviation of the sample mean?
c. What is the probability that at least 18 of them visited the Casino in the last 12 months?
 
3. According to the American Lung Association, 90% of adult smokers started smoking before turning 21 years old. Ten smokers 21 years old or older are randomly selected and the number of smokers who started smoking before 21 is recorded.
a. What is the mean and distribution the binomial distribution?
b. What is the probability that exactly 6 of them started smoking before turning 21 years?
c. What is the probability that at least 7 of them started smoking before 21 years of age?
d. What is the probability that 4 to 6 of them started smoking before turning 21 years?
 
4. According to the credit reporting Transunion, the mean credit card debt in the United States among individuals with credit cards for the period between April and June of 2014 was $5241. Treating the results of the StatCrunch survey as a random sample of U.S. residents, determine whether there is evidence to suggest that credit card debt is lower than $5241. Use the 0.05 level of significance.
 

• WE OFFER THE BEST CUSTOM PAPER WRITING SERVICES. WE HAVE DONE THIS QUESTION BEFORE, WE CAN ALSO DO IT FOR YOU.
• Assignment status: Already Solved By Our Experts
• (USA, AUS, UK & CA PhD. Writers)
• CLICK HERE TO GET A PROFESSIONAL WRITER TO WORK ON THIS PAPER AND OTHER SIMILAR PAPERS, GET A NON PLAGIARIZED PAPER FROM OUR EXPERTS

QUALITY: 100% ORIGINAL PAPER – NO PLAGIARISM – CUSTOM PAPER

Why Choose Us?

How It Works

• Click on the “Place Your Order” tab at the top menu or “Order Now” icon at the bottom and a new page will appear with an order form to be filled.
• Fill in your paper’s requirements in the “PAPER DETAILS” section.
• Fill in your paper’s academic level, deadline, and the required number of pages from the drop-down menus.
• Click “CREATE ACCOUNT & SIGN IN” to enter your registration details and get an account with us for record-keeping and then, click on “PROCEED TO CHECKOUT” at the bottom of the page.
• From there, the payment sections will show, follow the guided payment process and your order will be available for our writing team to work on it.

About AcademicWritersBay.com

AcademicWritersBay.com is an easy-to-use and reliable service that is ready to assist you with your papers 24/7/ 365days a year. 99% of our customers are happy with their papers. Our team is efficient and will always tackle your essay needs comprehensively assuring you of excellent results. Feel free to ask them anything concerning your essay demands or Order.

AcademicWritersBay.com is a private company that offers academic support and assistance to students at all levels. Our mission is to provide proficient and high quality academic services to our highly esteemed clients. AcademicWritersBay.com is equipped with competent and proficient writers to tackle all types of your academic needs, and provide you with excellent results. Most of our writers are holders of master’s degrees or PhDs, which is an surety of excellent results to our clients. We provide assistance to students all over the world.
We provide high quality term papers, research papers, essays, proposals, theses and many others. At AcademicWritersBay.com, you can be sure of excellent grades in your assignments and final exams.