Chapter 2, Section 2.4, Question E62 Unstandardizing. Find the value of x that was converted to...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

z=(x-µ)/σ
so, X=zσ+µ=
a) = X=3*8+20 = 44

b) X=zσ+µ

x= -1*5+46 = 41

c) X=zσ+µ

x=-3.8*10+200=162

d) x = 2.5*0.8-10=-8

Answer 2

Similar Homework Help Questions

Chapter 2, Section 2.4, Question 058 Find a possible equation for the line that is perpendicular...

Chapter 2, Section 2.4, Question 058 Find a possible equation for the line that is perpendicular to the graph of 5x – 3y = 3 if the two lines intersect at x = 30. Enter the exact answer. ? Edit
Chapter 2, Section 2.2, Question 20 X Your answer is incorrect. Try again. Find the solution of the given initial value...

Chapter 2, Section 2.2, Question 20 X Your answer is incorrect. Try again. Find the solution of the given initial value problem Chapter 2, Section 2.2, Question 20 X Your answer is incorrect. Try again. Find the solution of the given initial value problem
Question 10 (6 points) Find the z-score corresponding to the given value and use the z-score...

Question 10 (6 points) Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if its Z-score is less than -2.00 or greater than 2.00. Round the 2-score to the nearest tenth if necessary A time for the 100 meter sprint of 15.0 seconds at a school where the mean time for the 100 meter sprint is 17.5 seconds and the standard deviation is 2.1...

IS, 3e PRE STANDARD VIEW Chapter 3, Section 3.5, Question 020 X Incorrect. Find all numbers...

IS, 3e PRE STANDARD VIEW Chapter 3, Section 3.5, Question 020 X Incorrect. Find all numbers x that satisfy the given equation. In(x + 8) + ln(x+2) = 3 Enter the exact answer. ra -5+1 6+e' Edit Click if you would like to Show Work for this question: Open Show Work Question Attempts: 1 of 10 used
question 4 1. A distribution has a standard deviation of a = 12 points. Find the...

question 4 1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
Homework: Section 2.4 -2.5 Score: 0 of 1 pt 10 of 22 (9 complete) 2.4.50 Sample...

Homework: Section 2.4 -2.5 Score: 0 of 1 pt 10 of 22 (9 complete) 2.4.50 Sample grade point averages for ten male students and ten female students are listed. Find the coefficient of variation for each Males 2.5 3.7 3.6 3.9 2.6 3.3 3.8 1.9 D Females 2.9 3.6 2.1 3.8 3.4 3.9 3.9 3.8 2.3 The coefficient of variation for males is % (Round to one decimal place as needed.)

Question 4 0.5 pts A data set has a mean of 44. In this data set,...

Question 4 0.5 pts A data set has a mean of 44. In this data set, a raw score X-40 corresponds to the standardized score z-1. What is the standard deviation for this data set? Hint:take advantage of the formula for Z-score Question 5 0.5 pts A data set has a standard deviation of 2.5. In this data set, a raw score X-30 corresponds to the standardized score z = 1.30. What is the mean of this data set? Hint:take...
Find the value of -za/2 that corresponds to a level of confidence of 91.28 percent. 1)...

Find the value of -za/2 that corresponds to a level of confidence of 91.28 percent. 1) -1.71 2) 1.71 3) 0.0436 4) -1.36 Question 12 (6 points) Saved Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if its z-score is less than -2.00 or greater than 2.00. Round the Z-score to the nearest tenth if necessary. A time for the 100 meter sprint...
Chapter 3, Section 3.5, Question 12 Find the solution of the given initial value problem. 01...

Chapter 3, Section 3.5, Question 12 Find the solution of the given initial value problem. 01 -25 x(0)= 10) x, Click here to enter or edit your answer The solution is given by x(t) -

Consider the following stock price data (in dollars) to answer the questions in this section. Use...

Consider the following stock price data (in dollars) to answer the questions in this section. Use R. 10 7 20 12 75 15 9 18 4 12 14 8 Definitions: 1. Mean, median, mode, and standard deviation are obvious 2. Min-Max normalization: if x is a vector variable, the (x - min(x))/(max(x) - min(x)) 3. To find z-scores use the scale() function in R 4. Decimal scaling: Find the biggest absolute value in the data, count the number of digits...