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A portfolio's value increases by 18% during a financial boom and by 9% during normal times. It decreases by 12% during a recession. What is the expected return on this portfolio if each scenario is equally likely?
What are the requirements for applying the hypothesis test for the difference in two population proportions? What are the calculations (computations)?
question 1 a project being analyzed by pert has 38 activities 16 of which are on the critical path. if the estimated
1. an experiment has four equally likely outcomes e1 e2 e3 and e4.a. what is the probability that e2 occurs?b. what is
The mean construction time for a standard two-car garage by Arrowhead Construction Company is 3.5 days. The time for the construction process follows the normal distribution.
How is hypothesis testing performed using t-tests? How do you write out Ho and Ha? What are the options for determining whether a hypothesis test result is significant? What are critical regions?
A sample of students were asked to rank their looks compared to the looks of others on a scale from 1 to 10. A 10 means they feel they are more attractive than everyone else while a 1 means they feel they are less attractive than everyone else. Th..
derive expression for a and b in terms of standard deviation of x and y mean of x and y and the correlation bw x and y.
suppose the random variable x has mean 45 and standard deviation of 15 and the random variable y has mean 15 and
You must use Hadoop technologies to analyze the Yelp 2016 challenge dataset - Summarize the number of reviews by US city, by business category.
The candy company claims that 10% of the M&M's it produces are green. Suppose that the candies are packaged at random in small bags containing about 50 M&M's. A class of elementary school students learning about percents opens several bags, counts th..
The average age in the sample was 22.5 years with a standard deviation of 5 years. Construct a 95% confidence level. What is the probability that the sample mean will be more than $306.60?
The report "Undergraduate Students and Credit Cards in 2004: An Analysis of Usage Rates and Trends" (Nellie Mae, May 2005) estimated that 21% of undergraduates with credit cards pay them off each month and that the average outstanding balance on u..
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