06/22/20

geometric distribution
The probability of obtaining a defective 10-year old widget is 64.1%. For our purposes, the random variable will be the number of items that must be tested before finding the first defective... more
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06/21/20

Let G be a complete graph with 12 vertices. How many edges does G have?
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06/21/20

Compute the probability
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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06/21/20

Prove that if n is an odd integer, then n2 is an odd integer
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06/21/20

Homework help- Statistics

The test statistic of zequals=negative 1.68−1.68 is obtained when testing the claim that pequals=1 divided by 41/4.a. Using a significance level of alphaαequals=0.050.05​, find the... more
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06/21/20

Sandra was visiting her Uncle Ralph who has a large jellybean collection.
Sandra was visiting her Uncle Ralph who has a large jellybean collection. When she asked if she could have some, he said yes, if she could solve a problem for him. He told her that he has three... more
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06/21/20

How many different ways can you make 50 cents
How many different ways can you make 50 cents if you have 1 quarter, 5 dimes, and 10 nickels?
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06/21/20

Rational Functions
find the vertical asymptotes, horizontal asymptotes, slant asymptote, x-intercept(s), y-intercept, if applicable, of the functions. 2x2-2x-12/x2-9
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06/20/20

Given X~U(1,7) Find the pdf
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06/20/20

Given X is a continuous random variable on [1,3] Find P(X=2).
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06/20/20

Given X is a continuous random variable on [1,5] Find P(1<X<5).
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06/20/20

Given X is a continuous random variable on [2,6] Find P(X>7).
a) 0 (b) .25 (c) 1 (d) not enough information
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06/20/20

In a discrete distribution P(x<4) is equivalent to what:
a) P(x≤3)(b) P(x≤5) (c) P(0)+P(1)+P(2)+P(3)+P(4) (d) 1-P(x>4)
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06/20/20

Decide whether or not the following experiment is binomial. Explain.
A state lottery randomly chooses six balls, without replacement, numbered 1-40. You choose 6 numbers and purchase a lottery ticket. The random variable x represents the number of matches on your... more
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06/20/20

Help me to find probability P(X1+4X2>12)=
X~Normal (0, 4) for i= 1,2,3,4. Assume they are independenr
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06/20/20

Evaluate the double integral of cos(x^2+y^2) dydx
The double integral is from -2 to 2 as the outer and -sqrt(4-x^2) to sqrt(4-x^2) as the inner, for cos(x^2+y^2) dydx
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06/20/20

Shifting functions
F(x)=x(squared) find the formula of the function g. It shifts right 2 and up 2
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06/19/20

In ΔVWX, the measure of ∠X=90°, the measure of ∠W=20°, and XV= 58 feet. Find the length of VW to the nearest tenth of a foot.
Using trig to find a side
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06/18/20

PLEAE ANSWER ASAP
Let f and g be the functions in the table below. xf(x)g(x)f '(x)g'(x) 1 3 2 4 6 2 1 3 5 7 3 2 1 7 9 (b) If G(x) = g(g(x)), find G'(1).G'(1) =  
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06/18/20

calculus Cartesian planes

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06/18/20

Determine the Cartesian equation of the plane containing the points (0, 1, -4) and (2, -1, -7), and also parallel to the line

Determine the Cartesian equation of the plane containing the points (0, 1, -4) and (2, -1, -7), and also parallel to the line L: x= -4+3s, y= -2-s, z= -5+2s
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06/17/20

Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.
Hello, struggling with this one and appreciate help!Prove: The chord joining the points of contact of the tangent lines to a parabola from any point on its directrix passes through its focus.For... more
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06/16/20

Use the theorem on bounds to establish the best integral bounds for the roots of the following equation. 5x^3-17x^2+144=0
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06/16/20

Statistics Probability Question

A jar of candy contains 45 red jellybeans, 30 green jellybeans, and 60 purple jellybeans. Find the following probabilities. Q: Now suppose 6 jellybeans are selected without replacement instead.... more
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06/16/20

Calculus - Newton's Method
How would I use Newton's method to find all roots of this equation to 6 decimal places?ex = 3-2x
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