Quiz 5NAME:1. (10 pts) Suppose that you like to spend your Saturdays at the beach with a metaldetector looking for gold....

Get help with any kind of assignment - from a high school essay to a PhD dissertation

Quiz 5

NAME:
1. (10 pts) Suppose that you like to spend your Saturdays at the beach with a metal
detector looking for gold. Let’s say that 1 in 10 metal objects buried in the sand
is actually a piece of gold. Let X be the total number of times you have dug
something up after you have dug up your first piece of gold this Saturday.
Today you felt very lucky, but when you got to the beach you don’t get any gold
on your first dig and get discouraged. Given that you will have to dig up at least
two things today at this point (we’ll assume you won’t leave until you dig up one
piece of gold), what is the probability that you will need to dig at least 4 times
today in order to find your first piece of gold (i.e. What is P (X ? 4|X ? 2) ?

1

2. (10 pts) The taste test for PTC (phenylthiocarbamide) is a favorite exercise in
beginning human genetics classes. It has been established that a single gene determines whether or not an individual is a “taster”. If 70% of Americans are
“tasters” and you are in a class of 20 students, what is the distribution, mean, and
variance of X, the number of people in the class who can taste PTC (assuming
the class represents a random sample of the american population). When naming
the distribution of X, be sure to include the parameter values for that particular
distribution.










OUR SERVICE CHARTER







  • Free Revisions

    The papers that we deliver usually reflect a high quality level. However, there is always a room for any additional fine-tuning touch in line with a client’s preference without any additional charges. To begin with, a client has discretion to make a choice on their preferred top writer from our team. Such a writer could have handled past work for the client and received a positive review from the same. It means that the client has confidence of the quality of service that the writer delivers. Secondly, a client has an option of making use of our editing services. Our editors are always on standby to revise the paper and ensure that it matches with the expectations of a client that the instruction brief had detailed. The revision covers content adjustment that removes off-topic details, addition of sources, removal of language style errors, and assessment of the referencing style in order to enhance compliance.
  • 100% Plagiarism-Free Guarantee

    We deliver top-quality essays through employing various measures that seek to improve the content of a given assignment. One of the quality-control systems that we use entails plagiarism checkers. These systems help us to deliver a 100% plagiarism-free papers to our clients. We also value the originality of papers, and we do not resell any submitted paper. It means that every client always gets a unique paper. Additionally, our perfect team of writers is usually keen on the academic writing standards as well as the instructions brief that a client submits. Our team of writers holds matchless competence when it comes to its service delivery. Every member of the team usually has an academic degree, and the team’s diversified skills make it possible for us to have a qualified writer in any client’s area of study. Additionally, our past clients have always given a positive feedback on each of our writers.
  • 24/7 Customer Support

    Our team of writers prides in high-level competence. The writers have the required expertise that enables them to deliver quality papers that match with the requirements of the grading rubric. In the absence of the rubric, we ensure that the writers follow the clients’ instruction brief to the letter. We can confidently assure our clients to expect nothing short of a pass from the papers that we deliver. Importantly, we have qualified writers who handle different areas of study. This diversification enables us to allot clients’ orders to the writer who is well seasoned in the subject area of study. It also enables the team to become more professional due to specialization. Our clients should put their trust in our service delivery and expect to successfully attain high grades at all times. The fact that we offer free revision reflects our dedication in delivering high quality papers that match with our clients’ expectations.
  • Professional Academic Writers

    An academic degree is one of the qualifications that our writers hold. This is only a minimum requirement that we ask from our writers, but the team also has writers who possess higher educational credentials. It means that the team comprises of competent writers who have gone through institutions of higher learning and passed their exams. Subsequently, the writers have a good grasp of what our clients require. It is notable that our writers not only want to apply their acquired knowledge, but they are also willing to help our clients to outperform them. This is a clear indication of a team that is willing to walk an extra mile. We uphold professionalism in our operations, and our clients should look forward to receive services from a team of experts. It is the spirit of value addition that makes us to scale any heights in order to deliver and outperform our clients’ expectations.