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Records over the past year show that 1 out of 315 loans made by Mammon Bank have defaulted. Find the probability that 5 or more out of 300 loans will default. Hint: Is it appropriate to use the Poisson approximation to the binomial distribution? (Round λ to 1 decimal place. Use 4 decimal places for your answer.)
Flying over the western states with mountainous terrain in a small aircraft is 40% riskier than flying over similar distances in flatter portions of the nation, according to a General Accounting Office study completed in response to a congressional request. The accident rate for small aircraft in the 11 mountainous western states is 3.0 accidents per 100,000 flight operations.a) Find the probability of no accidents in 100,000 flight operations. b) Find the probability of at least 8 accidents in 220,000 flight operations.
Find out equation of the line of best fit. Find out r - Is there a strong relationship?
What proportion of children 10 to 15 years of age would be classified as hyperlipidemic assume that hyperlipidemia is defined as cholesterol level over 200?
It was thought that the national average price per pound for Ospertan Basil Oil in 1999 in the US was $14 per pound. Since that time the Ospertan Basil Oil Cartel (OBOC) has tried to limit the supply of Ospertan Basil Oil reaching the U.S in order..
How do we use a least squares regression line? What is the range for the coefficient of determination?
The Rutter Nursery Company packages pine bark in 50-pond bags. From a long history, the packaging department reports that the distribution is normal. At the end of each day Jeff Rutter
Explore the descriptive statistics and draw some scatter plots. Does this meet the basic assumptions of regression?
Create a 95% confidence interval for true mean debt for student borrowers.
A dataset has 1000 records and 50 variables with 5% of the values missing, spread randomly throughout the records and variables. An analysis decides to remove records that have missing values. About how many records would you expect would be remov..
Write the null and alternative hypotheses. Identify which is the claim. A light bulb manufacturer claims that the mean life of a certain type of light bulb is less than 775 hours.
Standard deviation was 4.1 years. Suppose the variable is normally distributed. Determine 95% confidence interval of the true mean age.
If the population mean was $1047 in the previous year, does the evidence suggest that expenditure this year has significantly changed?
In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful.
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