Math Homework

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21-28: Psychology Exam. The scores on a psychology exam were
21-28: Psychology Exam. The scores on a psychology exam were normally distributed with a mean of 67 and a standard deviation of 8. 21. About what percentage of scores were less than 59? 23. A failing … read more
Neo
13,489 satisfied customers
Find the equation of the regression line for the given data.
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line.​ (The pair of variables have a significant​ correlation.) Then use … read more
DebdattaBhattacharya
Doctoral Degree
3,801 satisfied customers
Which of the following lists 3/6, 9/12, 15/18 in order from
Which of the following lists 3/6, 9/12, 15/18 in order from least to greatest? Choose the best answer from the options below: A 9/12 , 3/6 , 15/18 B 3/6, 9/12 , 15/18 C 9/12 , 15/18 , 3/6 D 15/18 , 9/… read more
Sandhya_sharma
Master's Degree
Master's Degree
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Every Normal model is defined by its parameters, the men and
Every Normal model is defined by its parameters, the men and the standard deviation. For each model below, fond the missing parameter. (a) Mean=20, 25% above 30 sigma=? (b) mean=80, 20% below 40, sigm… read more
Chirag
Master's Degree
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I have a couple of questions I need help with. Will tip 5 dollars A
I have a couple of questions I need help with. Will tip 5 dollars A submarine descended to a level 230 m below the surface of the ocean.Later it ascended 95 m and then dove 120 m what was the new dept… read more
Stevewh
Teacher
Bachelor's Degree
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for the polynomial, -4x^4+6x^3-2x^2+5x-2, complete the following
for the polynomial, -4x^4+6x^3-2x^2+5x-2, complete the following table. the tabel has 4 columns with 6 rows. first column is Term and below it is a blank square below that is 6x^3 below that is a blan… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Please compute the z score corresponding to each of the values
Please compute the z score corresponding to each of the values of x below. a. x= 39, s= 3, -x= 30 ( the - is above the x) b. x= 79, u= 78, o= 2 c.u=70, 0=5, x= 70 d. s=4, x=40, -x=50 E). In parts a-d,… read more
rajeevanpillai
Master's Degree
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A statistical process controller should be concerned when the
A statistical process controller should be concerned when the control chart shows that ___________. a. two out of three consecutive points are in the outer one-third of the region between the centerli… read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
Which of the following is not cause for concern when monitoring
Which of the following is not cause for concern when monitoring a process using a process control chart? Four out of five values are above or below the centerline. a. Eight or more consecutive points … read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
A statistical process controller should be concerned when the
A statistical process controller should be concerned when the control chart shows that ___________. a. six consecutive points are above or below the centerline b. fewer than four out of five consecuti… read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
Question 1 1. Compute the range for the set of data. 12,
Question 1 1. Compute the range for the set of data. 12, 13, 14, 15, 16 Answer 4 12 0.8 16 Compute the range for the set of data. 13, 19, 13, 19, 13, 19, 13, 19 Answer 19 16 12 6 Compute the range for… read more
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
An object floats on water with 78% of its volume below the
An object floats on water with 78% of its volume below the surface. The same object when placed in another liquid floats on that liquid with 70% of its volume below the surface. Determine the density … read more
akch2002
Master's Degree
3,368 satisfied customers
Scott A study compares length of time asleep for three different
Scott: A study compares length of time asleep for three different doses of a sleeping drug for men and for women. How many independent variables are there? a. one b. two c. three d. It is impossible t… read more
Scott
Master's Degree
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When 196 workers aged 18-25 were asked were asked how many hours they had worked the previous week, the mean was 37.8 with a SD of 13.3. Does this suggest that the population work week differs from 40… read more
Scott
Master's Degree
18,582 satisfied customers
1. Calculate the (1a) mean, (1b) median (1c)mode and
1. Calculate the (1a) mean, (1b) median (1c)mode and (1d) Standard Deviation for the data below. You may use full functions. The data in this problem is considered a population where N=10. Hint. Copy … read more
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
Suppose we have a population of scores with a mean ( ) of 200
Suppose we have a population of scores with a mean (µ) of 200 and a standard deviation (s) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would c… read more
Jim C
Master's Degree
523 satisfied customers
Chi-square should not be used if ____. 1. fo is below
Chi-square should not be used if ____. 1. fo is below 5 2. fe is below 5 3. fe = fo 4. df = 1… read more
Sk1llz
Math student
1,518 satisfied customers
Suppose that the scores of architects on a particular creativity
Suppose that the scores of architects on a particular creativity test are normally distributed. What percentage of architects have Z scores (a) above .10, (b) below .10, (c) above .20, (d) below .20, … read more
Scott
Master's Degree
18,582 satisfied customers
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