03 Jun Question 1. A medical statistician wants to estimate the avera
Question
1. A medical statistician wants to estimate the average weight loss of people who are on a new diet plan. Based on a preliminary study, he guesses that the standard deviation of the population of weight loss is about 10 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 99% confidence?
Sample Size =
2. Suppose that A and B are two events for which P(A)=0.34, P(B)=0.63, and P(B|A)=0.45 Find each of the following:
A. P(AandB)=
B. P(AorB)=
C. P(A|B)=
3. Compliments about a waiter’s work occur at a rate of 5 per day, and the number has a Poisson distribution.
A. Find the probability that the waiter receives 3 or more compliments in a day.
Probability =
B. Find the probability that the waiter receives 17 or more compliments in a 4-day period.
Probability =
4.The time it takes for a runner to run one mile is normally distributed with a mean of 5 minutes and a standard deviation of 1.9 minutes. If a sample of 57 one-mile runs are selected at random, what is the probability that the average time exceeds 5 minutes?
Probability =
5. Suppose that Z is a value drawn from the standard Normal distribution.
A. For what number a will 48% values of Z satisfy Z Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline. Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax. We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers. To make an Order you only need to click on “Order Now” and we will
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