05/20/22
What is H’(0) equal to
10/03/21
Please helpppppppp
Compute Δy/Δx for the interval [3,4], where y=3x−3. (Use decimal notation. Give your answer to three decimal places.) Δy/Δx= (decimals) What is the instantaneous rate of change of y with respect...
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10/02/21
introduction to stats
n a Poisson distribution, μ = 0.34. (Round the final answers to 4 decimal places.) a. What is the probability that x = 0? Probability ? b. What is the probability that x >...
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07/12/19
How do you interpret a Wilcoxon Signed Ranks Test
I need to understand what the meaning of a negative z value is. I carried out a study on chatbot personality using Likert type items and found that the z-value for the paired test of...
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07/02/19
A square table has a perimeter of 16 feet which of these is the length of a side of the table
06/24/19
P(-2.53 < z < 2.43)
06/23/19
The Standard Normal Distribution
For a standard normal distribution, given:P(z < c) = 0.4027Find c.
06/23/19
The Standard Normal Distribution
For a standard normal distribution, find:P(-1.01 < z < 1.31)
06/14/19
Find the mean of this probability distribution. Round your answer to one decimal place
x
P(x)
0
0.25
1
0.05
2
0.2
3
0.5
Find the mean of this probability distribution. Round your answer to one decimal place.I got 1.95 and it was wrong
06/13/19
HELP Plz help with math - completely lost
In triangle ABC, if ∠A = 120°, a = 8, and b = 3, then ∠B =
Find an equation of the line having the specific slope and containing the indicated point. Write your final answer in slope-intercept form. M=2,(1,-4)
The answer is y=2x-6, but for the life of me, I don't know how they got that answer.
06/07/19
Calculus Homework
Given revenue and cost functions R(q)=80q−0.5q^2 C(q)=14q+600, find the maximum revenue that can be earned by selling this product.The maximum revenue is ..????
06/07/19
how do i solve 4sec(x)+8=0
I know i have to isolate the variable, and when i do that i get sec(x)= -2 but i dont know where to go from there.
06/04/19
The number 260 is seperated into two parts so that the first part is eight more than three times the second part. What are the two numbers?
FIRST PART:SECOND PART:
06/01/19
How to determine if Standard Deviation is high/low?
I have derived the following response time data for a performance test I am running:
Min - 8sec
Max - 284sec
Average - 28sec
Standard Deviation - 27sec
What does the standard deviation say about...
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05/31/19
How to calculate the covariance matrix?
I tried searching a lot on the net and got the following sources:
http://stattrek.com/matrix-algebra/covariance-matrix.aspx
http://www.itl.nist.gov/div898/handbook/pmc/section5/pmc541.htm
The...
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05/29/19
stats help!! pls!!
A clothing business finds there is a linear relationship between the number of shirts,n,it can sell and the price,p, it can charge per shirt. In particular, historical data shows that 3000 shirts...
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Find the minimum sample size you will need if you ant to be within 2% of the population proportion?
A study shows that 27% of Americans say chocolate is their favorite ice cream flavor. You want to estimate, with 95% confidence, the true proportion of U>S> adults who say chocolate is their...
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