What fraction of american males weigh more than 225 pounds

Assignment Help Basic Statistics
Reference no: EM131166858

Suppose that the weight of a typical American male follows a normal distribution with μ = 180 lb and σ = 30 lb. Also, suppose 91.92% of all American males weigh more than I weigh.

a. What fraction of American males weigh more than 225 pounds?

b. How much do I weigh?

c. If I weighed 20 pounds more than I do, what percentile would I be in?

Reference no: EM131166858

Questions Cloud

What percentage of the students will get a d : Scores on an exam appear to follow a normal distribution with μ = 60 and σ = 20. - For what range of scores should a D be given? - What percentage of the students will get a D?
How is the supply of money measured : You use money just about every day. What is money and what functions does it perform? How is the supply of money measured? Who influences how much liquidity is created or reduced in the U.S. economy?
How many cells does a k-map in six variables have : How many cells are adjacent to a given cell in a K-map in six variables?
Discusses the federal minimum-wage law : A case study in this chapter discusses the federal minimum-wage law. Use the grey point (star symbol) to indicate the market equilibrium wage and quantity of labor in the absence of a minimum wage. Now suppose the secretary of labor proposes an incre..
What fraction of american males weigh more than 225 pounds : What fraction of American males weigh more than 225 pounds? -  How much do I weigh? -  If I weighed 20 pounds more than I do, what percentile would I be in?
What is the value in making incremental changes to policy : Do you think more policies should be initiated in the US, rather than continually modified? What is the value in making incremental changes to policy? Give some examples of incremental health policy changes?
Design a circuit that implements majority voting : Suppose that there are five members on a committee, but that Smith and Jones always vote the opposite of Marcus. Design a circuit that implements majority voting of the committee using this relationship between votes.
Determine the country productivity : The factors that determine the country's productivity. How the country's policies influence its productivity growth. How the country's financial system is related to key macroeconomic variables
What is probability that game will cut into the next show : What is the probability that the game will cut into the next show, that is, go past 5:00?- What is the probability of this occurring?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Cost of a newspaper advertisement of a given size

An analyst in the publishing industry wants to ?nd out whether the cost of a newspaper advertisement of a given size is about the same in four large newspaper groups. Random samples of seven newspapers from each group are selected, and the cost of..

  Determining probability that mean is less

Mean=63.6 Standard deviation=2.5 If 36 data points are arbitrarily chosen, determine the probability that mean is less than 64.

  Interpret the meaning of the slopes in equation

The Multiple Regression file has already been pre-loaded with the data, so you need only interpret the output. Complete the following tasks: State the multiple regression equation.

  Distribution of rivet diameters from original

1. Develop histograms showing the distribution of rivet diameters from the original and new supplier. 2. Compute the sample means and standard deviations for the two sets of data.

  Analysis of variance-multivariate statistics

Company W is testing a sales software. Their salesforce of 500 people is divided into four regions: Northeast, Southeast, Central and West. Each sales person is expected to sell the same amount of products.

  The mean and standard deviation of the sampling distribution

Find the probability that a random sample of size 54, selected with replacement, will yield a sample mean greater than 4.1 but less than 4.4. Assume the means to be measured to the nearest tenth.

  In testing a population variance or constructing a

q1. a chi-square test for independence with 8 degrees of freedom results in a test statistic of 18.21. usingthe

  What is the probability that the person is democrat

In a certain county, 40% of registered voters are Democrats, 32% are Republicans, and 28% are Independents. Sixty percent of the Democrats, 80% of the Republicans, and 30% of the Independents favor increased spending to combat terrorism. If a..

  You are invited to play the following game you may

you are invited to play the following game. you may repeatedly roll a fair six-sided die unless you roll a one at which

  Which statement is true about the scope of systematic

which statement is true about the scope of systematic reviews srs?a. srs should be as broad as possibleb. srs should be

  How would you go about calculating the percentage

Olympic Track related question: You know the last 5 race times at the same distance for 8 runners competing in a race. As such, you can calculate the mean, sd, and variance for each.

  What percentage of population will lie between value

Suppose we have a population of scores with a mean (μ) of 975 and a standard deviation (σ) of 15. Assume that the distribution is normal. What percentage of the population will lie between 960 and 990?

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