Homework Answers
What’s the probability someone has a BMI less than 25?
The area under curve represents the probability
Total area = 1
area to left of symmetric axis = 0.5
P( BMI < 25 ) = 0.5 - ( 0.34 + 0.135 )
= 0.025
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What’s the probability someone has a BMI less than 25?
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Data of BMI: 25 25 26 27 28 30 30 31 32 35 35 38 10)...
Data of BMI: 25 25 26 27 28 30 30 31 32 35 35 38 10) Calculate the standard deviation, variance, and the z-score of someone with a BMI at 21. 11) Is this z-score unusually high or low? (If yes, specify which one). 12) Identify the 5-number summary below 13) Calculate the IQR 14) Identify any outliers 15) Draw a boxplot of your data (modified for outliers) 16) Write a sentence describing the shape of the distribution (skewed or...
Data: 25 25 26 27 28 30 30 31 32 35 35 38 16) Write a...
Data: 25 25 26 27 28 30 30 31 32 35 35 38 16) Write a sentence describing the shape of the distribution (skewed or symmetric). 17) How close together are your mean and median? Does this support your thoughts of skewness or symmetry for #16? Use the empircal rule to answer the following: 1) Assume the mean is 29 and the standard deviantion is 2. Draw the curve, identify the mean at the center, count out the standard deviations...
Conduct a formal hypothesis test of the claim that the mean longevity is less than 57...
Conduct a formal hypothesis test of the claim that the mean longevity is less than 57 days. Test at significance α=0.05. Your written summary of this test must include the following: Your null and alternate hypotheses in the proper format. The type of distribution you used to construct the interval (t or normal). The P-value and its logical relationship to α (≤ or >). Your decision regarding the null hypothesis: reject or fail to reject. A statement regarding the sufficiency/insufficiency...
can someone take a look to these 3 pictures and fill in the blanks. I need...
can someone take a look to these 3 pictures and fill
in the blanks. I need to show work and understand the answers.
thank you!
Birth to 36 months: Girls Head circumference-for-age and Welght-for-length percentiles NAME RECORD # Birth 3 69 12 15 18 21 24 27 30 33 36 AGE (MONTHS cm in ina cm 52 19--48 46 46-18 42 50 22 48 15--38 2044 19--42 18-40 38 36 34 -32 13 16 13 28 E 11 24 H...
File Ed Yew ranoform e Srepha Anaivza Custom Hours Work GPA Absences yar ed less than...
File Ed Yew ranoform e Srepha Anaivza Custom Hours Work GPA Absences yar ed less than 1... 3.00 4.00 less than 1.. 2 4.00 2.00 less than 1... 2.50 3.00 less than 1.. 3.80 1.00 less than 1.. 2.70 2.00 less than 1. 3.20 5.00 7 less than 1. 4.00 6.00 less than 1.. 8 3.80 7.00 less than 1... 2.90 9.00 10 less than 1... 3.10 4.00 11 less than 1. 3.10 7.00 12 less than 1... 2.00 8.00...
Question 7b - Conduct a Hypothesis Test to determine if there is evidence that the proportion of accounts with Good quality rating is less than 26%. Use significance level alpha=5%. Test Statistic = _...
Question 7b - Conduct a Hypothesis Test to determine if there is
evidence that the proportion of accounts with Good quality rating
is less than 26%. Use significance level alpha=5%.
Test Statistic = _________
P value = ___________
377 1 96·33 199 2 98 72 27 98 006 014 717 002 86 997 87 3 7 4 996 7 9 le le le le rede-le Ex Ex Ex Ex Ex Ex Ex Ex ee le le le le en Ma...
Notes: For part i.) Let T= weight of Peterbilt, V= weight of Volkswagen, F= weight of...
Notes:
For part i.) Let T= weight of Peterbilt,
V= weight of Volkswagen, F= weight of
Ford
"three" Volkswagen means
sample from V not 3V.
For part iii) Use the following table
Vol<sWasen A shipping company has a large fleet of Peterbilt, T trucks. The distribution of weights in lb of these trucks from Peterbilt, Volkswagen and Ford are N(580, 225), N (100,64) and N(120, 81), respectively, and are independent. i. If one Peterbilt truck, three Volkswagen trucks and...
The weights (in pounds) of 30 preschool children are listed below. Find the five-number summary. 25...
The weights (in pounds) of 30 preschool children are listed below. Find the five-number summary. 25 29 25 26 26.5 27 27 27.5 28 28 28.5 29 30 30 30.5 31 31 32 32.5 32.5 33 34 34.5 35 35 37 37 38 38 33 O A. Min = 25, Q1 = 28, Q2 = 30.5, Q3 = 34, Max = 38 O B. Min = 25, Q1 = 27.5, Q2 = 30.5, Q3 = 33.5, Max = 38 C....
3:13 PM Wed Apr 29 II LTE 32% + ] * Question Como otion Stars Ringer...
3:13 PM Wed Apr 29 II LTE 32% + ] * Question Como otion Stars Ringer 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 QUESTION 28 2 points were The term ethics is defined as a set of moral principles' or the principles of conduct governing an individual or a group." False QUESTION 29 2 points Open source software has copyright...
st is 300 and mean is 0.8998 24 d. What is the probability the number of...
st
is 300 and mean is
0.8998 24 d. What is the probability the number of fatal crashes will be between 1000 and 25 year? 26 27 28 e. What is the probability of more than 1750 fatal crashes a year due to drowsy drivers? 0.2525 31 f. What is the probability of no more than 1600 fatal crashes a year due to drowsy drivers? 32 0.5662 34 s. Given that the probability of there being more than 1700 crashes...
can someone take a look to these 3 pictures and fill
in the blanks. I need to show work and understand the answers.
thank you!
Birth to 36 months: Girls Head circumference-for-age and Welght-for-length percentiles NAME RECORD # Birth 3 69 12 15 18 21 24 27 30 33 36 AGE (MONTHS cm in ina cm 52 19--48 46 46-18 42 50 22 48 15--38 2044 19--42 18-40 38 36 34 -32 13 16 13 28 E 11 24 H...
File Ed Yew ranoform e Srepha Anaivza Custom Hours Work GPA Absences yar ed less than 1... 3.00 4.00 less than 1.. 2 4.00 2.00 less than 1... 2.50 3.00 less than 1.. 3.80 1.00 less than 1.. 2.70 2.00 less than 1. 3.20 5.00 7 less than 1. 4.00 6.00 less than 1.. 8 3.80 7.00 less than 1... 2.90 9.00 10 less than 1... 3.10 4.00 11 less than 1. 3.10 7.00 12 less than 1... 2.00 8.00...
Question 7b - Conduct a Hypothesis Test to determine if there is
evidence that the proportion of accounts with Good quality rating
is less than 26%. Use significance level alpha=5%.
Test Statistic = _________
P value = ___________
377 1 96·33 199 2 98 72 27 98 006 014 717 002 86 997 87 3 7 4 996 7 9 le le le le rede-le Ex Ex Ex Ex Ex Ex Ex Ex ee le le le le en Ma...
Notes:
For part i.) Let T= weight of Peterbilt,
V= weight of Volkswagen, F= weight of
Ford
"three" Volkswagen means
sample from V not 3V.
For part iii) Use the following table
Vol<sWasen A shipping company has a large fleet of Peterbilt, T trucks. The distribution of weights in lb of these trucks from Peterbilt, Volkswagen and Ford are N(580, 225), N (100,64) and N(120, 81), respectively, and are independent. i. If one Peterbilt truck, three Volkswagen trucks and...
The weights (in pounds) of 30 preschool children are listed below. Find the five-number summary. 25 29 25 26 26.5 27 27 27.5 28 28 28.5 29 30 30 30.5 31 31 32 32.5 32.5 33 34 34.5 35 35 37 37 38 38 33 O A. Min = 25, Q1 = 28, Q2 = 30.5, Q3 = 34, Max = 38 O B. Min = 25, Q1 = 27.5, Q2 = 30.5, Q3 = 33.5, Max = 38 C....
3:13 PM Wed Apr 29 II LTE 32% + ] * Question Como otion Stars Ringer 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 QUESTION 28 2 points were The term ethics is defined as a set of moral principles' or the principles of conduct governing an individual or a group." False QUESTION 29 2 points Open source software has copyright...
st
is 300 and mean is
0.8998 24 d. What is the probability the number of fatal crashes will be between 1000 and 25 year? 26 27 28 e. What is the probability of more than 1750 fatal crashes a year due to drowsy drivers? 0.2525 31 f. What is the probability of no more than 1600 fatal crashes a year due to drowsy drivers? 32 0.5662 34 s. Given that the probability of there being more than 1700 crashes...
Most questions answered within 3 hours.
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Population Standard Deviation
5.0000
Sample Size
11
Sample Mean
54.9091
Confidence Interval
Confidence Coefficient
0.98
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