Michael D.

03/13/23

Markov Chain Need help!

The weather on any given day in a particular city can be sunny, cloudy, or rainy. It has been observed to be predictable largely on the basis of the weather on the previous day. Specfically:if it... more

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Math Algebra 1

03/10/23

U3.L4.HW: Quadratic Functions: Question 25

Answer both to the nearest whole number and explain them afterwards.A certain electronics manufacturer found that the average cost C to produce x DVD/Blu- ray players can be found using the... more

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Calculus

03/10/23

Solve the integral 2 on top and 1 on the bottom.

12∫x2/x3+1 dx

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Statistics

03/10/23

What is the probability of this question?

The weight of a certain brand of candies are normally distributed with a mean weight of 0.8 538G and a standard deviation of 0.0 519G. A sample of these candies came from a package containing 453... more

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Statistics

03/09/23

statistics problem

According to a recent survey, 4 % of the population owns a cat. 67 Percent of cat owners are married, while 56 % of non-cat owners are married. If you randomly select a person, what is the... more

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Statistics

03/09/23

Alternative hypothesis, two sample t statistic, degree of freedom

Equip male and female students with a small device that secretly records sound for a random 30 seconds during each 12.5-minute period over two days. Count the words each subject speaks during each... more

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Linear Algebra

03/09/23

What’s the equation that passes through the points (19,0) and (0,16)

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Statistics

03/08/23

A population of values has a normal distribution with

A population of values has a normal distribution with μ=101.5 and σ=55.1 You intend to draw a random sample of size n=92a) What is the mean of the distribution of sample means?μ¯x=b) What is the... more

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Statistics

03/07/23

Normal distribution

Given a normal distribution with 𝜎 = 1.890. Find the required sample size for a 90% confidence level (estimating the mean) with a 1.08 margin-of-error.

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Statistics

03/07/23

Normal distribution

Given a normal distribution with 𝜎 = 0.340. Find the required sample size for a 99% confidence level (estimating the mean) with a 0.14 margin-of-error.

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Calculus

11/30/22

If C is the part of the circle (x4)2+(y4)2=1 in the first quadrant, find the following line integral with respect to arc length. ∫C(8x−7y)ds=

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Math Precalculus

04/15/21

urgent pls help hw

Find the vector projection of v onto w.v= < 2,6 > ; w= < 3,3>

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Differential Equations

04/06/21

Solving Equations

There are lots of ants in a kitchen. Each day half are exterminated. After x days, there are 1/32 of the original number of ants left. What equation leads to solving for the number of days(x) that... more

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Math Civil Engineering Mathematics

02/23/20