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Question: A railroad between Fairbanks and the Brooks Range in Alaska will have a most likely construction cost $900,000 per kilometer. If there is more permafrost than estimated (probability of .3), then the cost will increase by 40%. If there is less permafrost than estimated (probability of .2), then the cost will decrease by 25%. What is the probability distribution and the expected value for the first cost per kilometer?
If the actual proportion in the entire warehouse is 0.35, what is the probability that the sample proportion will deviate from the population proportion by more than 0.05?
You are given the following summary statistics from a sample of 50 observations:
1. What damage does slavery do to the slave owner? 2. How can the same man have written "All men are created equal"? Jefferson's notes on SlaveryIntroduction
city records indicate that the average age of the houses on the west side of town is 43 years with standard deviation
1. What are the advantages of longitudinal designs and cross-sectional designs?
A pizza restaurant offers 11 different toppings: 6 of them are vegetarian and 5 of them are non-vegetarian. A customer selects her first topping at random and then selects another one at random from the remaining toppings. What is the probability ..
Shows the percent of cases at or below a certain value. Thus, this graph always begins at 0% and ends at 100%.)
The weights of ripe watermelons grown at Mr. Smith's farm are normally distributed with a standard deviation of 2.8 lb. Find the mean weight of Mr. Smith's ripe watermelon is only 6% weigh more than 15lb.
Develop an estimated regression equation with the amount of television advertising as the independent variable. Test for a significant relationship between television advertising and weekly gross revenue at the0.05level of significance
Develop a marketing strategy that will increase sales and better target Toronto residents who are likely to buy the company's Smartphone and the type of plan they buy.
The probability that husband and wife will b alive after 20 years from now is 0.8 and 0.9 respectively.find the probability that in 20 years time 1. both will b alive 2. neither of them will b alive 3. atleast one of them will be alive?
In this study, what was the independent and dependent variable? Describe the center of each distribution: What is the mean for each group?
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