Question
In: Math
Solving these useing R program using pnorm() for Statistics Please show the code you used and...
Solving these useing R program using pnorm() for Statistics
Please show the code you used and the answer Thank you
The fracture toughness (in ???√?) of a particular steel alloy is known to be normally distributed with a mean of 28.3 and a standard deviation of 0.77. We select one sample of alloy at random and measure its fracture toughness.
▶ What is the probability that the fracture toughness will be between 27.8 and 30.7?
▶ What is the probability that the fracture toughness will be at least 29.5?
▶ Given that the fracture toughness is at least 29, what is the probability that the fracture toughness will be no more than 30.5?
Solutions
milcah answered 1 month agoRelated Solutions
Solve following using Program R studio. Please show code and results. Thank you. 1. Assume that...
Solve following using Program R studio. Please show code and
results. Thank you.
1. Assume that ? is a random variable follows binomial
probability distribution with parameters 15 and
0.25.
a. Simulate 100 binomial pseudorandom numbers from the given
distribution (using set.seed(200)) and assign them to vector called
binran.
b. Calculate ?(? < 8) using cumulative probability
function.
c. Calculate ?(? = 8) using probability distribution
function.
d. Calculate the average of simulated data and compare it with
the corresponding...
Solve following using Program R studio. Please show code and results. Thank you. 3. Assume that...
Solve following using Program R studio. Please show code and
results. Thank you.
3. Assume that ? is a random variable represents lifetime of a
certain type of battery which is exponentially distributed with
mean 60 hours.
a. Simulate 500 pseudorandom numbers (using set.seed(10)) and
assign them to a vector called expran.
b. Calculate average of simulated data and compare it with
corresponding theoretical value.
c. Calculate probability that lifetime is less than 50 hours using
cumulative probability function.
d....
***This problem must be done using R so please provide the R code used to find...
***This problem must be done using R so please provide
the R code used to find the solution. I have provided the data in
data-wtLoss.txt below the question. I will also give "thumbs-up for
correct R code" Thanks in advance.***
The file “data-wtLoss.txt” contains data on weight loss and self
esteem evaluation at three time points over a period of three
months for 34 individuals who are randomly selected from a
residential area. These individuals are randomly assigned to
one...
***This problem must be done using R so please provide the R code used to find...
***This problem must be done using R so please provide
the R code used to find the solution. I have provided the data in
data-wtLoss.txt below the question. I will also give "thumbs-up for
correct R code" Thanks in advance.***
The file “data-wtLoss.txt” contains data on weight loss and self
esteem evaluation at three time points over a period of three
months for 34 individuals who are randomly selected from a
residential area. These individuals are randomly assigned to
one...
APPLIED STATISTICS 2 USE R CODE! SHOW R CODE Use data file RecordMath2526.txt, to produce a...
APPLIED STATISTICS 2
USE R CODE! SHOW R CODE
Use data file RecordMath2526.txt, to produce a plot
graph with Exam1 as x, Exam2 as y, use Gender as color, and Hw1 as
pch.
RecordMath2526 information
Index Gender Hw1 Hw2 Hw3 Exam1 Hw4 Exam2 Hw5 Hw6 Hw7 Final
1 F 9 6 8 60 7 82 10 10 9 69
2 M 10 10 10 94 9 98 10 10 8 91
3 M 9 10 8 79 9 55 10...
APPLIED STATISTICS 2 PLEASE USE R, SHOW R CODE AND OUTPUT, with conclusion Let x<-c(1,2,3,4,5,6,7,8), y<-c(4,6,3,7,8,3,9,...
APPLIED STATISTICS 2
PLEASE USE R, SHOW R CODE AND OUTPUT, with conclusion
Let x<-c(1,2,3,4,5,6,7,8), y<-c(4,6,3,7,8,3,9,
6.5). By vector operation (other method will get 0 point),
find
a). the equation of regression line, that is, find a,
b.
b). Find SSR, SSE
c). Find F-value
d). Find p-value
e). Make your decision, that is, answer the question,
can we say y and x have linear relationship at
alpha=0.05?.
USE R, SHOW R CODE AND OUTPUT APPLIED STATISTICS 2 Are Angry People More Likely to...
USE R, SHOW R CODE AND OUTPUT
APPLIED STATISTICS 2
Are Angry People More Likely to have Heart Disease’? People who
get angry easily tend to be more likely to have heart disease. That
is the conclusion of a study that followed a random sample of
12,986 people from three locations over about four years. All
subjects were free of heart disease at the beginning of the study.
The subjects took the Spielberger Trait Anger Scale, which measures
how prone...
PLEASE BE VERY SPECIFIC AND SHOW EVERY SINGLE STEP IN DETAIL, SPECIALLY IF USING R PROGRAM....
PLEASE BE VERY SPECIFIC AND SHOW EVERY SINGLE STEP IN
DETAIL, SPECIALLY IF USING R PROGRAM. (I NEED MORE
HELP WITH PART D AND E!!!)
A bottling company uses a machine to fill bottles with a tasty
beverage. The bottles are advertised to contain 300 milliliters
(ml), but in reality the amount varies according to a normal
distribution with mean μ=298ml and standard deviation σ=3 ml. (For
this problem, we’ll assume σσ is known and carry out the
calculations accordingly)....
Please answer everything in R programming language. Show the code to me as well. Thank You...
Please answer everything in R programming language. Show the
code to me as well. Thank You
1. Problem
Open dataset stat500. Package: faraway. Use R
(a) Calculate the correlation matrix. 10.
(b) Plot total vs hw, to see how
strong the relationship.
(c) Build a simple linear regression: total regressed against
midterm. Print model output.
(d) Calculate directly the coefficients as in (3)
(e) Calculate the Residual standard error s, as in (4).
(f) Calculate the standard error of beta_1,...
Please do this question in R and show the code too, please. The alternating current (AC)...
Please do this question in R and show the code too, please.
The alternating current (AC) breakdown voltage of an insulating
liquid indicates its dielectric strength. The article “Testing
Practices for the AC Breakdown Voltage Testing of Insulation
Liquids” (IEEE Electrical Insulation Magazine, 1995: 21–26) gave
the accompanying sample observations on breakdown voltage (kV) of a
particular circuit under certain conditions.
62 50 53 57 41 53 55 61 59 64 50 53 64 62 50 68
54 55 57...
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