Jasica
  •   Jasica
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Using problem 179, what is P(X > 2)?

1. Using problem 179, what is P(X > 2)?2. What is a uniform distribution? Draw a picture.3. In a uniform distribution, what is P(0.2 < X < 0.6)?4. In a uniform distribution, what is P(0.2 < X < 0.6)?5. How do your answers to problems 180, 181, 183, and 184 demonstrate a difference between continuous and discrete random variables?6. Normal distributions are (continuous or discrete).7. Expected value is another name for _____ ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
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What is the union of two events?

1. What is the union of two events?2. What is an intersection of two events?3. How can we test independence?4. Perform an independence test on the smoking/education chart from problem 110 to show that smoking status and education are not independent.5. Make a Venn diagram for the following situation:45% of kids like Barney25% of kids like Blue55% of kids like Pooh15% of kids like Blue and Pooh25% of kids like Barney and Pooh5% of kids Barne ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
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What is the probability that an M & M is

1. 1.What is the probability that an M & M is red or green?2. What is the probability that an M & M is yellow and orange?3. What is the probability that an M & M is not brown or blue?4. Bre can beat Erica in tennis 9% of the time. Erica can swim faster than Bre 8% of the time. What is the probability that Bre would beat Erica in a tennis match and in a swimming race?5. What assumption are you making in problem 164? Do yo ...
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Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

There are three ways I can drive from Fr

1. There are three ways I can drive from Fremont to Grand Rapids and four ways I can drive from Grand Rapids to my home. How many different ways can I drive from Fremont to my home through Grand Rapids?2. How many different four-digit numbers can you make?3. How many different four-digit numbers can you make without repeating digits?4. What is an event in probability?5. Any probability is a number between (and including) _____ and _____.6. ...
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Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

What is block design?

1. What is block design?2. I want to test the effects of aerobic exercise on resting heart rate. I want to test two different levels of exercise, 30 minutes 3 times per week and 30 minutes 5 times per week. I have a group of 20 people to test, 10 men and 10 women. I will take heart rates before and after the experiment. Draw a chart for this experimental design.3. Why is simulation useful?4. What are the five steps of a simulation?5. Desi ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

How are experimental units and subjects

1. How are experimental units and subjects similar but different?2. Explanatory variables in experiments are often called _____.3. If I test a drug at 100 mg, 200 mg, and 300 mg, I am testing one variable at three _____.4. What is the placebo effect?5. What is the purpose of a control group?6. Give an example of when we may not want to use a placebo/control group.7. What are the two types of matched pairs used in experiments?8. What are the ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
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How are a population and a sample relate

1. How are a population and a sample related but different?2. Why is convenience sampling biased?3. SRS stands for what kind of sample? Name and define.4. Discuss how to choose a SRS of 4 towns from this list:Allendale Bangor Chelsea Detour Edmonton FennvilleGratiot Hillsdale Ionia Joliet Kentwood Ludington5. What is a stratified random sample?6. What is a multistage sample?7. What is undercoverage?8. What is nonresponse?9. What is response ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

Display this table on a segmented bar ch

1. Display this table on a segmented bar chart.2. What percent of these people smoke?3. What percent of never-smokers completed high school?4. What percent of those with 4 or more years of college have quit smoking?5. What percent of those with some college smoke?6. What percent of smokers did not finish high school?7. What conclusion can be drawn about smoking and education from this table?8. What is Simpson’s Paradox?9. What is the diffe ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

What is the correlation for the equation

1. What is the correlation for the equation you found in problem 98?2. What is extrapolation, and why shouldn’t we trust predictions using extrapolation?3. What is interpolation?4. What is a lurking variable?5. Why should we avoid using averaged data for regression and correlation?6. What is causation? Give an example.7. What is common response? Give an example.8. What is confounding? Give an example.9. Why is a two-way table called a two-wa ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
Jasica
  •   Jasica
  •   1812
  •   0

How can you use a residual plot to tell

1. How can you use a residual plot to tell if a line is a good model for data?Statistics Review Chapters 4-52. If you know a scatterplot has a curved shape, how can you decide whether to use a power model or an exponential model to fit data?3. Graph the following data:Time (days) Mice0 630 1960 6090 195120 5974. Perform the appropriate logarithmic transformation (power or exponential) on the above data to get an equation.5. Check your ...
Pending
Not Available 31 Jan 2018 Expiry Date: 01 Feb 2018
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