Probabilities of males and females

Assignment Help Basic Statistics
Reference no: EM131050557

1. Serum cholesterol were taken from a population of college students. The results were normally distributed. Males had a mean of 195 and a standard deviation of 10. Female a had a mean of 185 and a standard deviation of 12. Concern was expressed by the health educators on a particular college campus of 10,000 that students with serum cholesterol levels above 200 might be at an increased risk of heart disease. If the campus was equally divided between males and females, what are the probabilities of males and females on this campus would be at risk?

2. The weight of 18-24 year old women are normally distributed with a mean of 132 pounds and a standard deviation of 27.4 .If one randomly selected 150 of these selected women age 18-24 years, how many of them would be expected to weigh 100 to 150 pounds?

3. An athletic association wants to sponsor a footrace. The average time it takes to run the course is 586 mins. with a standard deviation of 4.3 mins. If the association decides to include only the top 20% of the racer, what should the cut off time be the tryout run?

4. Assume that the age at onset of disease X is distributed normally with a mean of 50 years and a standard deviation of 12 years. What is the probability that an individual afflicted with disease X developed it before age 35?

Reference no: EM131050557

Questions Cloud

Risks associated with failing to plan for estate transfer : Discomfort with considering one’s own mortality is one reason people fail to develop an estate plan. Identify at least two risks associated with failing to plan for estate transfer. Then describe how those risks might impact you or your family member..
What are the limits that apply to this role : What are the limits that apply to this role? If this role wants to exceed these limits what process must they follow? If a person undertaking this role was unsure of how to interpret the policy from whom should they seek clarification
What impact would you predict it had on leverage : The recent Great Recession of 2008-2009 has had significant impact on a wide range of corporate performance. What impact would you predict it had on leverage? Would financial leverage have increased, decreased, or remained the same? What about operat..
What is the work done to reach this distance : what is the work done to reach this distance?
Probabilities of males and females : If the campus was equally divided between males and females, what are the probabilities of males and females on this campus would be at risk?
Trade credit is extended on purchases to firms customers : A decrease in an asset account such as inventory would be considered a source of cash while a decrease in a liability account such as accounts payable would be considered a use of cash. Trade credit is extended on purchases to a firm’s customers and ..
New machine will increase cash flow : Your company is deciding whether to invest in a new machine. The new machine will increase cash flow by $316,000 per year. You believe the technology used in the machine has a 10-year life; in other words, no matter when you purchase the machine, it ..
Requisitioned from the materials storeroom daily : Rollie Manufacturing makes, among other things, wheels for roller skates. Manufacturing Department B receives plastic wheel casings from Manufacturing Department A and puts them on axles along with some ball bearings. The wheel casings have been i..
Statements is true concerning so-called shadow banking : Ben Bernanke stated that LSAPs are also known as. According to Ben Bernanke, Fannie Mae and Freddie Mac were vulnerable because. Which of the following statements is true concerning so-called "shadow banking?"

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd