Tom K.

11/12/20

According to masterfoods....

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. You randomly... more

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Statistics

11/12/20

Probabilty porportion question

Based on historical data, your manager believes that 30% of the company's orders come from first-time customers. A random sample of 147 orders will be used to estimate the proportion of... more

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Pre Calculus

11/11/20

Evan bought a small 25" TV for her multimedia classroom. The size of the TV is determined by the length of its diagonal. The area of the TV screen is found 300 in², what is the dimension of small Tv?

This is about pre calculus Systems of nonlinear equations

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Precalculus

11/11/20

An ellipse has an equation 25x2 + 16y2 + 150x - 32y = 159. Find the standard equations of all parabolas whose vertex is a focus of this ellipse and whose focus is a vertex of this ellipse. (There... more

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Trigonometry

11/11/20

Prove identity: (sinx + cosx)^2 cscx = 2cosx + 1/sinx

How do you verify the identity?

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Calculus

11/10/20

Related rates, airplane

An air traffic controller spots two airplanes at the same altitude converging to a point as they fly at right angles to each other. One airplane is 150 miles from the point and has a speed... more

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Statistics

11/10/20

Finding probability

Find p(number greater than two on a white die and 4 on the green die) or p(4 on the white die and a number greater than 2 on the green die)

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Statistics

11/10/20

Statistic Question

Ali lives in a small town where there is also an army base. There is a single ATM in this town. Suppose that Ali approaches this ATM to withdraw some cash, and sees three people queued up before... more

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Calculus

11/10/20

Write the equation of a plan (in any form) through the point (4,3,7) and orthogonal the plane [x,y,z]= [2,4,-1]+ s[3,4,1]+t[-2,5,4]]

Write the equation of a plan (in any form) through the point (4,3,7) and orthogonal the plane [x,y,z]= [2,4,-1]+ s[3,4,1]+t[-2,5,4]

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Calculus

11/10/20

Write the equation of a plan (in any form) through the point (2,-4,1) and parallel to the line [x,y,z]= [3,-2,5]+ t[5,1,-3]

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Statistics

11/09/20

Permutations and Combinations

In a standard deck of 52 playing cards, there are four suits (black spade, black club, red heart, red diamond), and 13 cards in each suit (Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King).If I... more

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Discrete Math

11/09/20

Consider strings of length n, n ≥ 1, over the set {a, b, c, d}. What is the correct answer to the question in Description below?

Consider strings of length n, n ≥ 1, over the set {a, b, c, d}. If a string of length thirteen over {a, b, c, d} is chosen at random, what is the probability that it contains at least one pair of... more

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Biology Statistics Biostatistics

11/09/20

DATA ANALYSIS ENGINEERING

A male fruit fly is equally likely to carry alleles a or b on the X chromosome. Allele a is lethalfor females, so if the male fruit fly carries a, all of its offspring will be male. If the male... more

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Probability

11/09/20

About probability

Consider a Bernoulli process with probability of success 0.7. What is the probability that there are 4 l’s and 3 O's in trials 36-42?

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Discrete Math

11/09/20

If f : X → Y and g : Y → Z are functions and g ◦ f is onto, must f be onto?

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Discrete Math

11/09/20

Write the first 4 terms of the sequence defined by and then solve the following recurrence relation (in Description below).

Write the first 4 terms of the sequence defined by and then solve the following recurrence relation: for n ≥ 1, an = 2an−1 + 5, where a0 = 1.

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Probability

11/08/20

Suppose that events F and S are conditional independent events given D and ~D respectively with p(F|D)=p(S|D)=0.9, p(~F|~D)=p(~S|~D)=0.9, and p(D)=0.2. Find p(D|F∩S)

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Prealgebra

11/08/20

Using Taylor theorem prove that x-((x^3)/6)<sinx<x-((x^3)/6)+((x^5)/120) for x>0

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Math Precalculus Mathemmastics

11/08/20

How to solve the height of the building of this math question?

The angle of elevation to the top of a building in New York is found to be 9 degrees from the ground at a distance of 1 mile from the base of the building. What is the formula? and how to solve the... more

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Statistics

11/08/20

please solve the following question in description

A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 3% margin of error at a 97.5% confidence level, what size of... more

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Calculus Precalculus Trigonometry

11/08/20

Trig identities problem! Pls help

This is the given: csc (θ) = 5 and theta is in Quadrant 2,What is cot(θ) - cot(π-θ) + cot(θ-2π)?

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Trigonometry

11/08/20

Using half angle formulas

Use the given conditions.cos(u) = 7/25, 0 < u < 𝜋/2what is sin(u/2)cos(u/2)tan(u/2)

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Trigonometry

11/08/20

Power Reducing Formula

Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angles.sin4(x) cos2(x)

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Calculus

11/08/20

3. Consider the function 𝑓(𝑥) = (𝑎𝑥^2)/ ln(𝑏𝑥^2) where a=1 and b=2

a. Provide a graph of your function. Be sure not to have vast amounts of empty space – choose a window, or crop it, so that the essential features are preserved. b. State the domain and range of... more

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Statistics Probability

11/08/20

Probability Question

4 balls are picked at random from a box with 20 red balls, 25 black balls and 5 white balls. Let X be the number of white balls in the sample. Compute 𝑃(𝑋2 + 12 = 7𝑋).

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According to masterfoods....

Probabilty porportion question

Evan bought a small 25" TV for her multimedia classroom. The size of the TV is determined by the length of its diagonal. The area of the TV screen is found 300 in², what is the dimension of small Tv?

Solving conic sections

Prove identity: (sinx + cosx)^2 cscx = 2cosx + 1/sinx

Related rates, airplane

Finding probability

Statistic Question

Write the equation of a plan (in any form) through the point (4,3,7) and orthogonal the plane [x,y,z]= [2,4,-1]+ s[3,4,1]+t[-2,5,4]]

Write the equation of a plan (in any form) through the point (2,-4,1) and parallel to the line [x,y,z]= [3,-2,5]+ t[5,1,-3]

Permutations and Combinations

Consider strings of length n, n ≥ 1, over the set {a, b, c, d}. What is the correct answer to the question in Description below?

DATA ANALYSIS ENGINEERING

About probability

If f : X → Y and g : Y → Z are functions and g ◦ f is onto, must f be onto?

Write the first 4 terms of the sequence defined by and then solve the following recurrence relation (in Description below).

Suppose that events F and S are conditional independent events given D and ~D respectively with p(F|D)=p(S|D)=0.9, p(~F|~D)=p(~S|~D)=0.9, and p(D)=0.2. Find p(D|F∩S)

Using Taylor theorem prove that x-((x^3)/6)<sinx<x-((x^3)/6)+((x^5)/120) for x>0

How to solve the height of the building of this math question?

please solve the following question in description

Trig identities problem! Pls help

Using half angle formulas

Power Reducing Formula

3. Consider the function 𝑓(𝑥) = (𝑎𝑥^2)/ ln(𝑏𝑥^2) where a=1 and b=2

Probability Question

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