| Question | Subject | Tutorials |
|---|---|---|
| STATISTICS 121-In the 2004 election in Utah, 66% of all Utah voters voted Use this information to answer the next six questions.In the 2004 election in Utah, 66% of all Utah voters voted for Amendment 3, the marriage amendment. Suppose a Statistics major decided to predict … |
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| A 7-year cohort study involving 1500 Australian adolescents A 7-year cohort study involving 1500 Australian adolescents assessed the association between frequency of cannabis use and subsequent depression in young adulthood. From the results of the study, show … |
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| How does hypothesis testing contribute to the scientific Hypothesis testing and
experimental study stats
1. · How does hypothesis testing
contribute to the scientific knowledge base? What is one example of a null
hypothesis statement?
2. Is correlation … |
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| MATH 104-A Pew Research Center poll in 2010 asked A Pew Research Center poll in 2010 asked a random sample of 200 adults about their attitudes and opinions concerning the US government. When asked whether or not they felt frustrated (in a yes/no ques … |
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| MATH 104-Treatment group- n = 101, mean Consider the following information:Treatment group: n = 101, mean = 65.107, Std dev = 2.847, and Std error = 0.403Placebo group: n = 101, mean = 66.183, Std dev = 3.205, and Std error = 0.453.Compute … |
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| OIS 2340-93% of time you are able to completely ace 93% of time you are able to completely ace a test. You are finishing up finals and have gotten an 'A' on 19/20 of them. What is the probability that you would be able to perform like this or worse aga … |
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| Math399 week 3 homework 2017 The access code for a? car's security system consists of fourdigits. The first digit cannot be8and the last digit must be odd.How many different codes are? available?Q2A probability experiment con … |
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| MBA 501-Let x determine a random variable Let x determine a random variable, and use your knowledge of probability to prepare a probability distribution.A family has three children and the number of girls recorded.? (Assume an equal chance of … |
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| STATISTICS 101-The dean of the College of Business at the The dean of the College of Business at the University has observed for several years and found that the probability distribution of the salary of the alumni's first job after graduation is normal. The … |
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| Researchers wanted to determine if carpeted rooms Statistics Problem: Bacteria in
Carpeted Rooms
Researchers wanted to determine if
carpeted rooms contained more bacteria than uncarpeted rooms. To determine the
amount of bacteria in a room, research … |
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| BHSC 2300-How does the normal curve allow behavioral How does the normal curve allow behavioral scientists to compare different types of scales, tests and instruments (Hint: please think Z scores for full credit!). … |
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| QM 215-A corporation randomly selects 150 salespeople A corporation randomly selects 150 salespeople and finds that 100 who have never taken a self-improvement course would like such a course. The firm did a similar study 10 years ago in which 96 out of … |
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| PSYCHOLOGY 3400-A physiologist believes he has discovered a new steroid (12 pts) A physiologist believes he has discovered a new steroid hormone that can control the blood glucose in mammals. In an experiment he injects laboratory rats with a small amount of this steroid … |
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| STATISTICS 101-Suppose the distribution of alumni salary has a Suppose the distribution of alumni salary has a mean of $50k per year and a standard deviation of $5k. The research office collected salary information from 121 business alumni. Its collected data sho … |
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| STAT 412-The dean has observed for several years and found The dean has observed for several years and found that the probability distribution of the salary of the alumni's first job after graduation is normal, with a mean of $50k per year and a standard devi … |
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| MATH 123-A dog allergy test for people has a 98% A dog allergy test for people has a 98% accuracy rate. Only 1% of the population has an allergy to dogs. Use a group of 100,000 people who've taken this testIf you tested positive, what is the probabi … |
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| Describe how the standard deviation (SD) Describe how the standard deviation (SD) and the deviation of a single score from the mean differ in the information they provide. … |
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| MGMT 650-According to the 68-95-99.7 rule According to the 68-95-99.7 rule, what percent of the population are between 1 standard deviation below the mean and 2 standard deviations above the mean? … |
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| Suppose the distribution of alumni salary has a mean of $50k per year (b) What is the probability that the sampled alumni have a mean salary of $58k or more? … |
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| Of the 27 tasks available, 3 will pay $1000 Of the 27 tasks available, 3 will pay $1000, 5 will pay $500,10 will pay $200, and 9 will pay $100. You are assigned two tasks. What is the probability that you will make at least $1300? … |
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