MATH302
Liberty University
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MATH302 Week 5 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
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MATH302 Week 5 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Part 1 of 4 - Z-interval for Unknown Questions 7.0/ 7.0 Points 
Question 1 of 20 
1.0/ 1.0 Points 
There is no prior information about the proportion of Americans who support gun control in 
2019. If we want to estimate 93% confidence interval for the true proportion of Americans who 
support gun control in 2019 with a 0.18 margin of error, how many randomly selected Americans 
must be surveyed? Answer: (Round up your answer t...
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MATH302 Week 3 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
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MATH302 Week 3 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Part 1 of 6 - Binomial Distribution 4.0/ 5.0 Points 
Question 1 of 201.0/ 1.0 Points 
A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4 
decimal places. Answer: 0.5722 
Answer Key:0.5722|.5722 
Feedback: 
P(x f$displaystyle geq 15)f$ = 1 - P(x f$displaystyle leq 14)f$ in Excel 
=1-BINOM.DIST(14,30,0.5,TRUE) 
Question 2 of 200.0/ 1.0 Points 
Approximately 10% of all people are le...
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MATH302 Week 2 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
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MATH302 Week 2 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Tests & Quizzes 
Tests & Quizzes 
Week 2 Knowledge Check Homework Practice Questions 
Return to Assessment List 
Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 
Question 1 of 20 
2.0/ 3.0 Points 
1.0/ 1.0 Points Cholesterol levels were collected from patients two days after they had a heart attack 
(Ryan, Joiner & Ryan, Jr, 1985). Find the standard deviation. 
See Attached Excel for Data. 
cholesterol 8...
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MATH302 Week 4 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
- Exam (elaborations) • 9 pages • 2023
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MATH302 Week 4 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Part 1 of 6 - Calculations of Probabilities Questions 1.0/ 3.0 Points 
Question 1 of 20 
Find the area under the standard normal distribution to the left of z = -1.35. Round answer to 4 decimal places. 0.0/ 1.0 Points 
Answer: 0.9114 
Answer Key: 0.0885 
Feedback: In Excel, 
=NORM.S.DIST(-1.35,TRUE) 
Question 2 of 20 
Find P(Z ≤ 2.76). Round answer to 4 decimal places. Answer: 0.9971 1.0/ 1.0 Points 
Answer Key: 0.9971 
Feed...
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MATH302 Week 1 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
- Exam (elaborations) • 8 pages • 2023
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MATH302 Week 1 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Question number 1 
A Lake Tahoe Community College instructor is interested in the mean number 
of days Lake Tahoe Community College math students are absent from class 
during a quarter. 
X = number of days a Lake Tahoe Community College math student is absent 
The instructor’s sample produces a mean number of days absent of 3.5 days. 
This value is an example of a: 
variable 
statistic 
data 
parameter 
Correct 
Question nu...
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MATH302 WEEK 1 UPTO 8 ALL YOU NEED TO PASS
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MATH302 WEEK 1 UPTO 8 ALL YOU NEED TO PASS
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MATH302 WEEK 7 TEST
- Exam (elaborations) • 38 pages • 2022
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MATH302 
WEEK 7 TEST 
Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of 
Correlation 2.0/ 2.0 Points 
Question 1 of 20 
1.0/ 1.0 Points 
The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the 
residuals is 0.52. 
Does a case with the values x = -1.59, y = 5.78 qualify as an outlier? 
 
A. 
Cannot be determined with the given information 
 
B. 
No 
 
C. 
Yes 
Answer Key: C 
Feedback: 
Plug in -1.59 for x. 
y = 5 + .3*-1.59 
...
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