Monday

April 27, 2015

April 27, 2015

Number of results: 389

**research and evaluation**

Give examples of both discrete and continuous data? What makes them different? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using the normal distribution? Why or why not?
*November 18, 2010 by sue*

**Stats**

Determine the following random variables discrete or continuous: a)Number of fish I caught during 2 hours? I said: discrete b)Temperature of a coffee cup? I said: continuous c)Height of a 2-year-old maple tree? I said: continuous d) Number of credit cards I have in my wallet? ...
*February 8, 2014 by Ashley*

**statistics, are my calculations correct?**

classify the following as discrete or continuous random variables: a) the time it takes to run a marathon- i think that it is discrete b) the number of fractions between one and two- i think that it is discrete? c) a pair of dice is rolled and the sum to appear on the dice is ...
*October 23, 2010 by mary- please check calculations.*

**Stats**

Classify the following as discrete or continuous random variables. (A) The time it takes to run a marathon (B) The number of fractions between 1 and 2 (C) A pair of dice is rolled, and the sum to appear on the dice is recorded (D) The length of a broad jump I got: (A) ...
*October 24, 2011 by Jennifer*

**Is this right?? Stats....**

Classify the following as discrete or continuous random variables. (A) The time it takes to run a marathon (B) The number of fractions between 1 and 2 (C) A pair of dice is rolled, and the sum to appear on the dice is recorded (D) The length of a broad jump I got: (A) ...
*October 25, 2011 by Jennifer*

**Elementary Math**

The temperature of a cup of coffee is a discrete or continuous random variable? Am I correct " Discrete"
*August 8, 2009 by J.J.*

**MATH**

Determine whether the situation calls for a discrete or continuous random variable. The braking time of a car Is it discrete?
*September 8, 2009 by Jalynn*

**Stats**

1.Number of people in attendance at a baseball game qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 2. number of tracks on a CD qualitative/ordinal qualitative/nominal quantitative/discrete quantitative/continuous 3.eye color qualitative/...
*August 11, 2014 by Kathryn*

**math**

Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
*April 25, 2010 by KiKi*

**math-please help!**

Determine whether the situation calls for a discrete or continuous random variable. The number of freshmen in the required course, English 101 The braking time of a car I think the first one discrete and the second is continous is this correct?
*April 25, 2010 by KiKi*

**Discrete Math**

There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II, 32 students taking ...
*April 6, 2014 by Anonymous*

**discrete data**

Can discrete data be analyzed using a normal distribution?
*June 2, 2011 by Anonymous*

**DISCRETE MATH**

HOW CAN YOU USE DISCRETE PROBABILITY TO CALCULATE THE PROBABILITY OF TESTING 5 DEVICES SUCH THAT ALL 5 END UP BEING NONDEFECTIVE, GIVEN THERE ARE 20 DEFECTIVE DEVICES TOTAL OF THE ORIGINAL 100 DEVICES? WHAT IS THE SAMPLE SPACE?
*April 24, 2015 by MARAL*

**Math**

the question i need help with is: Classify the random variable as finite discrete, infinite discrete or continuous. The random variable given is the number of hours a child watches television on a given day.
*June 8, 2011 by Winnie*

**Math**

In your own line of work, give one example of a discrete and one example of a continuous random variable, and describe why each is continuous or discrete.
*October 11, 2011 by Jen*

**MATH**

(A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: zip codes for the state of Pennsylvania (B) Determine if this data is qualitative or quantitative: Nationality (C) In your own line of...
*November 11, 2011 by Jennifer*

**Statistics**

Hi, I have to answer if each questions is a nominal, ordinal, interval discrete, interval continuous, ratio discrete, or ratio continuous. I would like to know if my answers are correct and if wrong what is the correct answer. Thanks 1. Highest level of education completed? a...
*September 19, 2010 by Paul*

**geometry**

1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
*August 30, 2011 by SoccerStar*

**statistic please help**

The number of pencil used during a test is a type of which data? nominal qualitative ordinal qualitative discrete quantitative continuous quantitative Class rank (freshman, sophomore, etc.) is a type of which data? nominal qualitative ordinal qualitative discrete quantitative ...
*January 14, 2014 by helen*

**biology**

Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...
*January 15, 2008 by Anonymous*

**biology**

Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...
*January 15, 2008 by Anonymous*

**statistics**

The number of new boats sold at a boat dealership in a given week qualitative/nominal qualitative/ordinal quantitative/continuous quantitative/discrete the weight of a gemstone qualitative/nominal qaulitative/ordinal quantitative/continuous quantitative/discrete The make of a ...
*August 26, 2014 by Kim*

**Discrete Math**

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*March 2, 2011 by Garry*

**Discrete Math**

Find g ° f f(x) = {(1, 2), (2,1), (3,1), (4, 4)} g(x) = {(1, 2), (2,4), (3, 1), (4, 3)}
*February 15, 2011 by Francesca *

**Chemistry**

The forces holding together an ionic solid are much stronger than the forces between particles in a molecular solid. How are these strong forces reflected in the properties of an ionic solid? a) strong hydrogen bonding exists between discrete molecules b) strong dipole-dipole ...
*May 1, 2010 by Jake*

**Chemistry**

In the recent Chem Activities, we have been learning about how Coulombic attractions and repulsions determine properties of atoms like ionization energy and atomic radius. We have made two assumptions not completely justified by the data we had up to this point: electrons are ...
*September 26, 2011 by Caitlin*

** Statistics**

above average warmth extended over the east and southeast on Jan.13, 2005.The days forecasted high temperatures in four cities in the affected area were as follows: Burlington, Vt. 55 degrees F, Durham, N.C. 74 degrees F, Williamsburg, Va. 74 Degrees F., and Augusta Ga., 75 ...
*February 12, 2015 by Phyiss*

**Discrete Mathematics**

If f(x) = log2 (x - 2)3 and g(x) = log8 (x - 2), when is (f + g)(x) = 0?
*July 30, 2013 by Joy*

**MATH**

(5 pts) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with \mu = 9.7 inches and \sigma = 1.7 inches. (a) Is X a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) Write the event ''a fish chosen has a ...
*February 5, 2014 by Violet*

**discrete math**

how do i solve linear equations? -4(k-2)+3(k+1) =7.
*September 11, 2008 by kennedy*

**statistics**

Is weight an example of a discrete variable?
*September 18, 2012 by Gee*

**PROBABILTY**

WHAT IS AN EXAMPLE OF DISCRETE DISTRIBUTION AND CONTINUOUS DISTRIBUTIONS?
*August 12, 2009 by Twg*

**Discrete Math**

Find the inverse of f: R→R given by f(x) = x³ – 2
*February 15, 2011 by Francesca *

**discrete math**

The canonical representative of15^11 mod3337
*March 27, 2012 by Anonymous*

**Res/341**

examples for discrete and continuous data
*March 29, 2012 by anita*

**Discrete Math**

If n is a positive integer and n > 1,prove that (n) + (n-1) is a perfect sq (2) ( 2 )
*April 4, 2013 by Ron*

**DISCRETE MATHS**

What is the cardinality of this set? {p, {p}, {p, {p}}} my answer is 1. is it right?
*September 2, 2013 by Don*

**Algebra 1, Math**

What is the difference between continuous and discrete?
*October 16, 2013 by Anonymous*

**math **

for all integers a, b, c, If a/b - 2c and a/2b + 3c then a/b and a/c Is a question from discrete mathematics Thanks for your help.
*July 16, 2014 by Anonymous*

**Algebra & Discrete Geometry**

Determine a vector of magnitude 2 that is parallel to a=(-3, 4).
*January 21, 2007 by Raj*

**discrete math**

If a and b are positive integers, prove that; ab = gcd(a,b)*lcm(a,b).
*March 7, 2007 by romulo*

**chemistry**

What is the explanation for the discrete lines in atomic emission spectra?
*January 12, 2009 by Rebecca*

**CHEMISTRY**

What is the explanation for the discrete lines in atomic emission spectra?
*January 12, 2009 by Rebecca*

**discrete math**

what is the link between matricies and graph theory
*March 14, 2009 by kim*

**Discrete Math**

Statements P->Q, ~R->(S->T), R v(P v T), and ~R are true. What is the truth value for the statement, (Q v S)?
*August 1, 2012 by Jerry*

**Discrete Math**

8 trophies can be awarded to 30 people in how many different ways
*April 4, 2013 by Ron*

**Discrete Mathematics**

Let p and q be propositions. Use Logical equivalences to show that (p ^ (~ (~ p V q))) V (p ^ q) = p
*July 26, 2013 by Joy*

**DISCRETE MATHS**

Determine whether the pair of sets is equal. {1, 1, 2, 2, 2, 6, 6, 6, 6}, {1, 2, 6}
*September 2, 2013 by Anonymous*

**math(Discrete)**

Give the negation of the statement ∃! x ∈ U [P (x)].
*March 19, 2015 by Anonymous*

**discrete math**

list five integers that are congruent to 4 modulo 12 4, 16, 36, ... any integer of the from n*12 + 4 where n=0, 1, 2, 3...
*November 6, 2006 by thisha*

**discrete mathematics**

Prove that a square of an integer ends with a 0, 1, 4, 5 6 or 9. (Hint: let n = 10k+c, where c = 0, 1, …,9)
*January 22, 2007 by tony*

**Discrete Mathematics **

Let m,n,z belong to N such that m and n divide z and gcd(m,n) = 1. Prove that m.n divides z.
*October 20, 2012 by Nisha*

**stat**

When rolling a die, is this an example of a discrete or continuous random variable?
*June 17, 2013 by Bruce*

**Discrete Mathematics**

16. What is the value of a that would make the matrix equation true?: ( 1 -2) (-5 6) (a b) ( 3 4) (7 -8) = (c d)
*July 30, 2013 by Joy*

**Discrete Mathematics**

What is the value of a that would make the matrix equation true? (1 -2) (-5 6) = (a b) (3 4) (7 -8) = (c d)
*July 30, 2013 by Joy*

**DISCRETE MATHS**

Use the Euclidean Algorithm to find gcd(112,15)
*October 4, 2013 by Don*

**DISCRETE MATHS**

Prove that if n is an odd positive integer, then 1 ≡ n2 (mod 4).
*October 25, 2013 by Don*

**Algebra**

An airline has implemented a plan to reduce the occurrence of lost luggage. They have observed a linear relationship between the number of months the plan has been in place and the number of pieces of lost luggage. The airline recorded their findings in the table below. Which...
*April 10, 2011 by Kylie<3*

**Discrete Mathematics (computer science)**

Find a formula for the nth term of the recurrence K(n) = 13.5K(n – 1) – 2.7 with K(0) = 5.
*April 29, 2012 by Aydin*

**Discrete Mathematics**

Prove that if n is an odd positive integer, then 1 ≡ n(power of 2) (mod 4).
*October 25, 2012 by Vevea Tepou*

**Discrete Mathematics**

Let G be a graph with vertex set V = { v1, v2, v3, v4, v5}. Is it possible for the degrees of the vertices to be 3, 6, 2, 1, 5, respectively? Why or why not?
*August 6, 2013 by Joy*

**Discrete Mathematics**

Let G be a graph with vertex set V = {v1, v2, v3, v4, v5}. If the degrees of the vertices are 1, 2, 3, 4, 6, respectively, how many edges are in G?
*August 6, 2013 by Joy*

**Discrete Mathematics**

Let G be a graph with vertex set V = { v1, v2, v3, v4, v5}. If the degrees of the vertices are 1, 2, 1, 3, 1, respectively, is G a tree? Why or why not?
*August 6, 2013 by Joy*

**math discrete 2**

Define g: R→R by the rule g(x)=4x-5 for all real number x. Find g-1(y)
*April 3, 2015 by ijat*

**math **

How is the expected outcome determined in a discrete distribution? I do not understand this question. Could someone please help me.
*March 22, 2010 by grey*

**Discrete Math**

Directions: Find the quotient and the remainder when the first polynomial is divided by the second. #9. 3x^4 – 2x^3 + 5x^2 + x + 1;x^2 + 2x
*September 15, 2011 by Sarah*

**discrete math**

Find the solution to the following recurrence: an=3an−1+7 for n2 with initial conditions a0=7
*April 20, 2012 by cjones*

**Discrete Mathematics**

Show that the square of an oddnumber is an odd number using a direct proof.
*September 22, 2013 by Anal*

**Discrete Mathematics **

b) Determine whether or not the statement “for all integers a, b, c, if a | bc, then a | b or a | c” is false. Justify your answer.
*May 2, 2014 by rasha dawood*

*****Discrete Math***, pi^2.**

In S(5), let pi=(245)(1354)(125). (a) Write pi as a product of disjoint cycles. (b) Determine pi^2, pi^5, pi^(-1) (c) What is the order of pi? Why?
*November 23, 2007 by Jane*

**Physics**

Explain atomic line spectra in terms of transitions between discrete energy levels.
*February 9, 2011 by Hakuoh*

**Discrete Math **

Use mathematical induction to establish the following formula. n Σ i² / [(2i-1)(2i+1)] = n(n+1) / 2(2n+1) i=1 Thanks for any helpful replies :)
*March 22, 2011 by Francesca *

**discrete math**

Find the solution to the following lhcc recurrence: an=3nan-1 for n >or equal to with initial conditions a0=4
*April 16, 2012 by cjones*

**discrete math**

Find the solution to the following lhcc recurrence: an=3nan−1 for n2 with initial conditions a0=4.
*April 20, 2012 by cjones*

**Discrete Mathematics**

Let G be a graph with the vertex set V = {v1, v2, v3, v4, v5}. If the degrees of the vertices are 5, 1, 0, 6, 2, respectively, does G have an Eulerian path? Why or why not?
*August 6, 2013 by Joy*

**Math**

In each case, determine whether the situation calls for a discrete or continuous random variables and explain your answer.
*March 30, 2010 by Alex*

**Statisitcs**

Suppose that X and Y are independent discrete random variables and each assumes the values 0,1, and 2 with probability of 1/3 each. Find the frequency function of X+Y.
*October 30, 2010 by Jade*

**Discrete Math**

"The cube of every real number x is greater than or equal to x, and we can see that since 2^3=8>=2." ? Is this a correct argument?
*May 7, 2011 by yengiang*

**statistics**

Classify the variable as nominal, ordinal, discrete, or continuous, and explain: Customer’s driver’s license number
*June 28, 2011 by chris*

**Discrete Math**

Prove that if a and b are integers with a not equal to zero and x is a real number such that ax^2-bx-b-a=0, then a | b. Note a | b means that a divides b.
*October 25, 2011 by Bobbi*

**Discrete Math**

Let f : R R→Z be the closed binary operation defined by f (a, b) _ _a + b_. (a) Is f commutative? (b) Is f associative? (c) Does f have an identity element?
*May 8, 2013 by Mike*

**Discrete Mathematics**

Use a truth table to determine that "division into cases" rule of inference is valid.
*July 26, 2013 by Joy*

**algebra**

Can I have a brief summary about Sierpinski's Triangle? Also, what is a conflict resoultion dealing with discrete math?
*May 2, 2008 by astrid*

**discrete math**

in how many ways can 4 different prizes be given to any 4 of 10 people if no person receives more than 1 prize? help please and explain!!!!!!
*September 15, 2008 by kennedy*

**Business Statistics**

What type of data is the projected return on an investment? A. qualitative B. continuous C. attribute D. discrete E. none of the above
*December 13, 2009 by Tykrane*

**Math for teaching. **

I need help finding examples of discrete models used in addition. Can you explain this to me or show me a cite that might help. Thanks
*February 15, 2010 by Confused*

**business and stats**

What type of data is the projected return on an investment? Qualitative , continous, attribute,discrete or none of the above
*August 31, 2011 by Tim*

**Discrete Mathematics**

Consider the following table of values for real valued functions f(x) and g(x). x 1 2 3 4 f(x) 3 1 4 2 g(x) 4 1 3 5 Find f o g(1) where o denotes function composition.
*July 30, 2013 by Joy*

**Stats**

The Geometric distribution is used when we want to ﬁnd the probability of performing a sequence of trials with X “failures” before the ﬁrst “success”, where a “success” occurs with some probability p. We can denote such a random variable as X ∼ Geo(p). The ...
*September 30, 2013 by Becca*

**discrete mathematics**

how many baseball games of single elimination must be played by 421 teams in a tournament before a winner is determined
*October 3, 2013 by confused*

**Discrete Math **

Congruence True or False: (give reason) _ __ 2 ∈ 18 (mod 8) Can someone please help with this problem? I'm confused. . . Thanks for any helpful replies.
*March 14, 2011 by Francesca *

**statistical analysis**

Compute the mean and variance of the following discrete probability distribution. x P(x) 2 .50 8 .30 10 .20 Please assist and guide accordingly. Thank you so very much!
*August 1, 2013 by Anna*

**Discrete Math**

isisDOTpolyDOTedu/courses/discretemath/problemsDOTpdf Link is above can you please take a look? Specifically #21 on pg. 345. [There are 900 3DN], I need help with g-h. Thank you.
*April 19, 2011 by Francesca *

**Discrete Math**

Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?
*January 21, 2013 by Jessica*

**discrete distribution**

Find the mean and the standard deviation of the number of hours parked. (Round your intermediate values and final answers to 3 decimal places.)
*September 28, 2014 by Anonymous*

**Discrete Math **

Calculate R(4) where the recursively defined sequence R is given by: R(1) = 2, R(2) = 3, and, R(n) = R(n − 1) + 2R(n − 2) + n, n > 2
*April 15, 2010 by Ashley Everette *

**Discrete Math**

If n is a positive integer and n > 1, prove that (n over 2)+ (n-1 over 2) is a perfect square.
*April 4, 2013 by Ron*

**HELP**

could i please get help with my project please? also what does this mean: a linear function with a discrete domain?
*January 14, 2014 by Miley*

**math discrete**

Given function f(x)=4x3-5, g(x)=2x and h(x)=x2. Find composition of h◦(g◦f)
*April 3, 2015 by ijat*

**Algebra**

What is the differance between a discrete graph and a continuous graph? Thanks so much!
*January 16, 2008 by Ellen*