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Assume a fair die is rolled 120 times. Find out the probability that the number of rolls that the score is six is between 15 and 25 (comprising both 15 and 25)? Score is six means the face of die showing up has six dots.
Statistics and Probability, Statistics
An airline estimates that 92% of people booked on their flights actually show up. If the airline books 76 people on a flight, find the propability that exactly 73 people will show up. for which the maximum number is 74, ...
1. Show by example that if A and B are two matchings (not necessarily stable), then A ∨w B is not necessarily a matching. 2. Prove that when the partial ordering over the set of stable matchings is , the minimum of the s ...
Part -1: 1) The final project is like a VERY abbreviated mini research report, where you will be running a combination of descriptive statistics and inferential statistics on a dependent variable and an independent varia ...
Nicollette joined Towson University basketball team since summer 2015. On average, she is able to score 30% of the field goals. Assume she tries 15 field goals in a game. (a) Let X be the number of field goals that Mimi ...
Tell whether each of the following relationships reflects a positive or a negative correlation: a. the amount of stress in people's lives and the number of colds they get in the winter b. the amount of time that people s ...
Suppose that you wanted to study children who have Down syndrome. How might you use cluster sampling to obtain a probability sample of children with Down syndrome in your state?
1. Must all experiments include a control group? Explain. 2. In what way do researchers take a risk if they do not pilot test the independent variable they plan to use in an experiment?
1. What is the central difficulty involved in obtaining simple random samples from large populations? 2. How does cluster sampling solve the practical problems involved in simple random sampling?
Designing and Writing a Report on a Statistical Study of Your Own Select a question of your own to investigate using one of the hypothesis tests studied in this class. Explain why you chose the particular question to in ...
In a study of smokers who tried to quit smoking with nicotine patch therapy, 39 were smoking one year after the treatment, and 32 were not smoking one year after the treatment. We want to use a .05 significance level to ...
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