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Let's say you have 25 groups of 15 people each with the
Let's say you have 25 groups of 15 people each with the coronavirus, and you decide to try 25 different possible treatments (one for each group) to see if they will help cure coronavirus. You do one h… read more
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1. The probability of exactly r success out of n trials
1. The probability of exactly r success out of n trials is: a)geometric distribution b) binomial distribution c) Poisson distribution 2. The probability of r successes in an interval is: a)geometric d… read more
Ryan
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Question 1 I have a sock drawer with 14 blue socks and
Question 1 I have a sock drawer with 14 blue socks and 16 black socks in it. If it is dark in my room and I randomly pull out socks, how many socks do I need to pull out to guarantee a matched pair? Q… read more
Ryan
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Hi you answered the question to a stats excel problem -> "Assume
Problem Set 2You work for BreatheCorp, a manufacturer of medical supplies, including portable oxygen concentrators. Your concentrators can come with two types of batteries: lithium ion and NiMH. 56% o… read more
Trigeoscal
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Four dice are thrown. What is probability that one of the
Four dice are thrown. What is probability that one of the rolls is a 6, given that one of the rolls is a 2? please show work… read more
Zabo04
Master\u0027s Student
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A local photocopy shop has 3 black and white copy machines
A local photocopy shop has 3 black and white copy machines and 2 color copiers. Based on historical data, the chance that each black and white copier will be down for repairs is 10%. The color copies … read more
Chirag
Master's Degree
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1. Suppose the age distribution in Sydney is as follows
1. Suppose the age distribution in Sydney is as follows: A researcher is conducting proportionate stratified random sampling with a sample size of 250. Approximately how many people should be sampled … read more
SusanAthena
Master's Degree
Master's Degree
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A solution is made up of 4 different components. The failure
A solution is made up of 4 different components. The failure rate of each componenet vary but for the sake of this argument, the failure rate is 4% for each. What type of math is used to calculate the… read more
Osbert12
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Multiple choice questions each have 5 possible answers (a,b,c,d,e)
Multiple choice questions each have 5 possible answers (a,b,c,d,e) ,one of which is correct. Assume that you guess the answers to three such questions. a. Use the muliplication rule to to find P(WCC),… read more
Ryan
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1. A test is composed of six multiple choice questions where
1. A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering less than 2 ques… read more
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In baseball, is there a linear correlation between batting
In baseball, is there a linear correlation between batting average and home run percentage? Let x represent the batting average of a professional baseball player. Let y represent the home run percenta… read more
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) The collection and summarization of the socioeconomic and
) The collection and summarization of the socioeconomic and physical characteristics of the employees of a particular firm is an example of A. inferential statistics. B. a statistic. C. descriptive st… read more
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There are 3 types A B and C. Only one is correct. I choose,
There are 3 types A B and C. Only one is correct. I choose, say, type A. Out of Option B and C - one incorrect type is then removed by the program. What is the better probablity of choosing the correc… read more
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The original concepts of analysis of variance came from the
The original concepts of analysis of variance came from the work of Sir Ronald A. Fisher, an English statistician. This technique, better known as ANOVA, has become one of the most commonly used resea… read more
Chirag
Master's Degree
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A multiple-choice test has 20 questions, and there are 4 choices
A multiple-choice test has 20 questions, and there are 4 choices for each question. A student comes to class with four different colored balls of identical shape and size in her pocket. She has decide… read more
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3rd Year Undergraduate Stastistics http //www.mediafire.com/ sharekey c6f42d65086b38cfa0f
abozer
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1.Yes, however many researchers still cite statistically significant
1.Yes, however many researchers still cite statistically significant results with 10 out of 100 times finding the same results. Many birth control pills have no effects on 90% of the population but th… read more
Greg
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The Oasis Chemical Company develops and manufactures pharmaceutical
The Oasis Chemical Company develops and manufactures pharmaceutical drugs for distribution and sale in the United States. The pharmaceutical business can be very lucrative when useful and safe drugs a… read more
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