Discrete..HELP!!!

486 results

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?

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? ...

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 ...

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) ...

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) ...

Elementary Math

The temperature of a cup of coffee is a discrete or continuous random variable? Am I correct " Discrete"

MATH

Determine whether the situation calls for a discrete or continuous random variable. The braking time of a car Is it discrete?

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/...

Discrete or continuous help

Identify the given random variable as being discrete or continuous. The number of stories in a specific Manhattan office building.

Discrete Math?

Was wondering, anyone here know discrete math? Specifically regarding to rules of inferences?

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?

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?

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 ...

discrete data

Can discrete data be analyzed using a normal distribution?

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?

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.

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.

Math

Sarah has to go to her brother's baseball tournament that lasts for 4 days. She eats two-thirds of a hotdog at every game. He plays 2 games a day. Define your variables, write a function rule, find the domain and range, and tell whether the data is discrete of continuous. ...

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...

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...

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...

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 ...

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 ...

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 ...

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 ...

discrete mathematics

Six discrete mathematics student:Bahirah,Dinesh,Johan,Adam,Felina and Syahirah are going to stand in a line. How many ways can they stand if: a)Syahirah must be in the third position? b)Dinesh must be second and Fellina third? c)Boys and girls alternate, with boy starting the ...

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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)}

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 ...

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 ...

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 ...

Discrete Mathematics

If f(x) = log2 (x - 2)3 and g(x) = log8 (x - 2), when is (f + g)(x) = 0?

discrete math

4m+5n^2=20 (proof by cares)

Cryptography

Problem 1. (25 points) Let p be a prime and g be a generator of the multiplicative group Zâˆ—p of integers modulo p, (note that Fâˆ—p is also commonly used to denote this group, but we will stick with Zâˆ—p). Let Î» be the bit length of p. Show that the ...

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 ...

discrete math

how do i solve linear equations? -4(k-2)+3(k+1) =7.

statistics

Is weight an example of a discrete variable?

Discrete Math

15 Please calculate P(E|F) given P(F|E)=0.3, =0.25 and P(E)=0.6

PROBABILTY

WHAT IS AN EXAMPLE OF DISCRETE DISTRIBUTION AND CONTINUOUS DISTRIBUTIONS?

Discrete Math

Find the inverse of f: R→R given by f(x) = x³ – 2

discrete math

The canonical representative of15^11 mod3337

Res/341

examples for discrete and continuous data

Discrete Math

If n is a positive integer and n > 1,prove that (n) + (n-1) is a perfect sq  (2) ( 2 )

DISCRETE MATHS

What is the cardinality of this set? {p, {p}, {p, {p}}} my answer is 1. is it right?

Algebra 1, Math

What is the difference between continuous and discrete?

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.

chemistry

why is the spectrum of hydrogen composed of discrete lines?

Algebra & Discrete Geometry

Determine a vector of magnitude 2 that is parallel to a=(-3, 4).

discrete math

If a and b are positive integers, prove that; ab = gcd(a,b)*lcm(a,b).

chemistry

What is the explanation for the discrete lines in atomic emission spectra?

CHEMISTRY

What is the explanation for the discrete lines in atomic emission spectra?

discrete math

what is the link between matricies and graph theory

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)?

Discrete Math

8 trophies can be awarded to 30 people in how many different ways

Discrete Mathematics

Let p and q be propositions. Use Logical equivalences to show that (p ^ (~ (~ p V q))) V (p ^ q) = p

DISCRETE MATHS

Determine whether the pair of sets is equal. {1, 1, 2, 2, 2, 6, 6, 6, 6}, {1, 2, 6}

math(Discrete)

Give the negation of the statement ∃! x ∈ U [P (x)].

Discrete Math

Determine where the big O(g(x)) for following functions • F(x)=2xlogx+1 • F(x)=3x -2x +1 • F(x)=4x -2x -3x +4 • F(x)=( x +1)/( x +4) • F(x)=(x+1)/(x-4

Phyics

Why does the emission spectrum of an element consist of discrete wavelengths

DISCRETE MATH FOR IT

Write a negation for the following statement: For all x , if x ∈ A ∩ B then x ∈ B.

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...

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)

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.

stat

When rolling a die, is this an example of a discrete or continuous random variable?

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)

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)

DISCRETE MATHS

Use the Euclidean Algorithm to find gcd(112,15)

DISCRETE MATHS

Prove that if n is an odd positive integer, then 1 ≡ n2 (mod 4).

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 ...

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.

Discrete Mathematics

Prove that if n is an odd positive integer, then 1 ≡ n(power of 2) (mod 4).

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?

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?

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?

math discrete 2

Define g: R→R by the rule g(x)=4x-5 for all real number x. Find g-1(y)

Physics

What is the significance in the observation of discrete spectral lines in the emission spectrum of hydrogen??

discrete mathematics

can you give an example of indirect proof in trigonometry using the identities.

math

How is the expected outcome determined in a discrete distribution? I do not understand this question. Could someone please help me.

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

discrete math

Find the solution to the following recurrence: an=3an−1+7 for n2 with initial conditions a0=7

Discrete Mathematics

Show that the square of an oddnumber is an odd number using a direct proof.

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.

Topology

Let (X,d) be the discrete metric space and let S be a infinite subset of X. Create a proof that S is non-compact in X. Thanks.

***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?

Physics

Explain atomic line spectra in terms of transitions between discrete energy levels.

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 :)

discrete math

Find the solution to the following lhcc recurrence: an=3nan-1 for n >or equal to with initial conditions a0=4

discrete math

Find the solution to the following lhcc recurrence: an=3nan−1 for n2 with initial conditions a0=4.

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?

Discrete Math Proof Exercise

Prove that if 3n^2+5 is odd, then n is even. Please post a detailed answer. Thank you.

Math

In each case, determine whether the situation calls for a discrete or continuous random variables and explain your answer.

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.

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?

statistics

Classify the variable as nominal, ordinal, discrete, or continuous, and explain: Customer’s driver’s license number

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.

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?

Discrete Mathematics

Use a truth table to determine that "division into cases" rule of inference is valid.

DISCRETE MATH

We have a relation R on Z+ defined as follows: mRn if and only if m|n. Determine the set B = {n ∈ Z|52Rn}. Thanks

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