06/16/20

Marchov Chain question
A Markov chain has the transition matrix shown below:P= 0.3 0.2 0.5 0.7 0 0.3 1 0 0If, on the first observation, the system is in state 2, what is the probability that on the... more
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06/15/20

I want to solve a problem with probability

90% of the children in a developing country have caries, 85% have worms and 70% are undernourished. How high is the percentage of children who have all three ailments?a) At least 70% of the... more
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06/15/20

Find the absolute maximum value and the absolute minimum value
Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.)g(x)= 1/16x^2 - 16sqrt(x) on [0,25]Max=Min=
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06/15/20

Find the absolute maximum value and the absolute minimum value
Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.)f(x)=x/64+x^2Max=Min=
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06/14/20

Find the angular speed
Suppose the minute hand on a clock is 6 inches long.(a) What is the minute hand’s angular speed in radians per hours?(b) How far does the tip of the minute hand travel in 20 minutes?
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06/14/20

Find the side length of c
Let a, b, c, A, B, C denote the side lengths and angles of a triangle, where A is the angle opposite side ◦◦a,etc.Supposea=5,A=60 ,andB=75 .Find side length c.
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06/14/20

Need some help understanding this question
Please help me understand this calculus 2 u substution question it confuses me
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06/14/20

In a large school, it was found that 33% of students are taking a math class, 36% of student are taking an English class, and 14% of students are taking both.
a.) Find the probability that a randomly selected student is taking a math class or an English class. Write your answer as a decimal, and round to 2 decimal places if necessary.b.) Find the... more
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06/14/20

Urgent Help - Statistics Question
A random sample of n observations, Y1, Y2,..., Yn is selected from a population where Yi, follows an exponential distribution with mean β. Determine the method of moments estimators for the unknown... more
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06/14/20

Jar B has 20% more marbles than jar A. What percent of the marbles in jar B have to be moved to jar A, in order that the number of marbles in each jar will be the same?
Can you please help me with this question?
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06/14/20

For the function f(x) = g(x)=7x^3(9x^2-1)
What are the critical points?What are the local minima and maxima?What are the inflection points?
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06/13/20

binomial distribution

A fair 5-sided spinner has sides numbered 1, 2, 3, 4 and 5 The spinner is spun once and the score of the side it lands on is recorded. (a) Write down the name of the distribution that can be used... more
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06/13/20

I need to find a maximum area of trapezoid inscribed in circle. The base is diameter of the circle, (1,3) is center of the circle and radius is 4.
I need solution with using derivative.
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06/13/20

Please solve this vector question.
What is the volume of the parallelogram defined by the vectors A(4,2,3) B(8,-1,-4) and C(11,3,-2)?
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06/13/20

Please answer this vector question.
A parallelogram has 3 of its vertices at A(4,2,3) B(8.-1,-4) and C(11,3,-2).determine the coordinates of the 4th vertex D(x,y,z) if Bc=AD.
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06/13/20

Graphing Rational Functions
x^2 -3x +10y= -------------------- x+4All I am trying to do is find the asymptote lines for this equation.I can see that: x= - 4, but am having trouble solving for y. I... more
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06/12/20

Evaluate the expression under the given conditions:
sin(θ+∅); sin(θ)=4/5, θ in quadrant I, cos(∅)=-(2√5)/5, ∅ in quadrant II
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06/12/20

little help findinng t
A wooden artifact from an ancient tomb contains 68 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is... more
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06/12/20

Calculus problem need help

(a) A cruise line offers a trip for  per passenger. If at least  passengers sign up, the price is reduced for all the passengers by  for every additional passenger (beyond ) who goes on the trip.... more
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06/11/20

Please help - statistics question
Suppose that Y1, Y2,...,Yn form a random sample from a PARETO (α, β) distribution, where α and β are unknown. Show that the maximum Likelihood Estimates of α and β (i.e. α-hat and β-hat) can be... more
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06/11/20

Stat Joint Distribution Question

Given the continuous random variables X and Y that have a joint distribution:fxy(x,y) = 4xy where 0 < x < 1 and 0 <y < 1a) are X and Y independentb) what is the correlation between X and Y more
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06/10/20

Geometry- How to rotate a single point
How to rotate point A(–3, 4) 90 ̊ clockwise about the origin, (0, 0).
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06/09/20

Calculus 2 Parametric Question
A curve is defined parametrically byx = t^2 - 2 and y = t^3 - t for t ∈ R(a) Find the point where the curve crosses itself.(b) Find dy/dx and d^2y/dx^2(c) Determine the points at which the tangent... more
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06/08/20

The graph of the function y = sin4x is identical to the function y = cos4(x − p). Find the smallest possible positive value of p, as a fraction in terms of pi. Explain your thinking.
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06/08/20

how do i work this out?
. On a certain road section passed by 180 cars hourly 7% of drivers are speeding. What is the probability that a speed camera place on this section of the road for two hours captures... more
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