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MATH302 Week 4 Knowledge Check Homework Practice Questions

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1. Question: Find the area under the standard normal distribution to the left of z = -1.05. Round answer to 4 decimal places. 2. Question: Arm span is the physical measurement of the length of an individual's arms from fingertip to fingertip. A man's arm span is approximately normally distributed with mean of 70 inches with a standard deviation of 4.5 inches. Find length in inches of the 99th percentile for a man's arm span. Round answer to 2 decimal places. 3. Question: Find P(-1.96 ≤ Z ...

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MATH302 Week 4 Discussion; The normal distribution I and II

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W4: The normal distribution I and II Recall the car data set you identified in Week 2. We know that this data set is normally distributed using the mean and SD you calculated. (Be sure you use the numbers without the supercar outlier) .....................

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MATH302 Week 3 Test

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1. Question: A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4 decimal places. 2. Question: It is known that 50% of adult workers have a high school diploma. If a random sample of 8 adult workers is selected, what is the probability that less than 6 of them have a high school diploma? 3. Question: If random variable X has a binomial distribution with n=9 and P(success) =p= 0.4, find the standard deviation of X. 4. Question: If random variable X...

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MATH302 Week 3 Test 3 Critique

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MATH302 Week 3 Test 3 Critique

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MATH302 Week 3 Knowledge Check Homework Practice Questions

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1. Question: Suppose a random variable, x, arises from a binomial experiment. If n = 14, and p = 0.13, find the standard deviation. Round answer to 4 decimal places. 2. Question: A coin is flipped 30 times. Find σ². Round to 1 decimal place. 3. Question: It is known that 50% of adult workers have a high school diploma. If a random sample of 6 adult workers is selected, what is the probability that 3 or more of them have a high school diploma? 4. Question: Suppose a random variable, x, arise...

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MATH302 Week 3 Discussion; Probability and counting rules; Discrete probability distributions

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MATH302 Week 3 Discussion; Probability and counting rules; Discrete probability distributions

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MATH302 Week 2 Test

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1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

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MATH302 Week 2 Test 2 Critique

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MATH302 Week 2 Test 2 Critique

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MATH302 Week 2 Test 2 Critique

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MATH302 Week 2 Test 2 Critique

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MATH302 Week 2 Knowledge Check Homework Practice Questions

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1. Question: What was the sampling method that was used in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed. 2. Question: What kind of data is "the colors of the houses around the park" in the scenario? ...

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MATH302 Week 2 Discussion; Frequency distributions and graphs; Data description

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Week 2: Frequency distributions and graphs; Data description Using the data set that you identified in week 1, use Excel to find the following descriptive statistics for the price data. Descriptive statistics: Mean Median Standard Deviation Use these summary statistics to make two conclusions or observations about the typical vehicle in the sample. One conclusion must relate to the measure of center (mean/median) and one to the variability (standard deviation) of the vehicles. Next,...

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MATH302 Week 1 Test

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1. Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 2. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...

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MATH302 Week 1 Test 1 Critique

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MATH302 Test 1 critique The week one test for MATH302 was a great assessment of the material covered for the week. I felt it was challenging in a way that made me go back and review some of the materials. I took it twice and in reviewing the questions I missed or partially missed I realized it was only a matter of not paying closer attention to my work.

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MATH302 Week 1 Knowledge Check Homework Practice Questions

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1. Question: A group of test subjects is divided into twelve groups; then four of the groups are chosen at random. What type of sampling is used? 2. Question: The first 50 people who walk into a sporting event are polled on their television preferences. What type of sampling was used? 3. Question: What is the sampling method used in the following scenario? The marketing manager for an electronics chain store wants information about the ages of its customers. Over the next two weeks, at each st...

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MATH302 Week 1 Discussion; Introductions and Collecting Data

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MATH302 Week 1 Discussion My name is Marcus Silafau. I am married to my wife Samantha and have three very energetic children that keep us on our feet and always on the alert. I currently serve in the United States Marine Corps and just recently moved to Hawaii with my family to my current duty station for the next three years. .........................

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CHEM 120 Week 8 Lab Practicum (Study Guide)

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CHEM 120 Week 8 Lab Practicum (Study Guide)

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CHEM 120 Concepts Week 1 - 7 (Bundle)

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CHEM 120 Concepts Week 1 - 7 (Bundle)

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CHEM 120 Full Course Discussions, Assignments, Concepts, Virtual Labs, Lab Practical, Exams (Bundle)

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CHEM 120 Full Course Discussions, Assignments, Concepts, Virtual Labs, Lab Practical, Exams (Bundle)

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CHEM 120 Week 8 Lab Practical (Bundle)

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CHEM 120 Week 8 Lab Practical (Bundle)

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CHEM 120 Exams Week 3, 5, 8 (Bundle)

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CHEM 120 Exams Week 3, 5, 8 (Bundle)

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