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Describe an instance when you used probability in a decision and provide specific details on the variable that you estimated and exactly how the probability was used. For example, you may have decided to bring an umbrella to work based on a prediction of an 80% chance of rain.
5. A laboratory weights filters from a coal mine to measure the amount of dust in the mine atmosphere. Repeated measurements of the weight of dust on the same filter has a standard deviation of σ = 0.08 milligram (mg) and mean 123 mg.
1) A random sample of customer order totals with an average of $78.25 and a population standard deviation of $22.50. Calculate a 90% confidence interval fro the mean, given a sample size of 75 orders
a)Show the scatterplot for this data with the least squares regression line. Find R^2. HOw much of the variation is explained by the regression line? b)Experiment with the non-linear regressions available on the calculator. Which seem to fit? S..
A Russian SVR agent has 45 million dollars which he can spend to bribe academics, politicians, and bloggers to spread disinformation and to promote anti-American propaganda
Reflection to date
Find the 96th percentile of the distribution of reaction time (at least approximately). That is, find the value such that about 96% of the distribution is below this point - Find the probability the reaction time is 500 or less.
Determine the number of stores that must be sampled in order to estimate the true proportion to within 0.05 with 95% confidence using the large-sample method.
Recent information published by the U.S. Environmental Protection Agency indicates that Honda is the manufacturer of four of the top nine vehicles in tems of fuel economy.
The number of loads of laundry washed per month was tracked for women and men living in college dorms.
The Economic Policy Institute reports that the average entry-level wage for male college graduates is $22.82 per hour and for female college graduates is $18.01 per hour. The standard deviation for male graduates is $3.72 and for female graduates is..
Calculate the slack time for each activity and for each path and looking at only the critical path, find the probability that the store will take more than 23 working days to open.
a) State the Null and Alternative Hypotheses (1)
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