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The frequency of accidents for automobile drivers over a certain period follows a Poisson distribution. Good drivers can expect to have on average one accident over that period, while bad drivers can expect to have two accidents. It is estimated that 80% of drivers are good and 20% are bad. If an accident occurs, the claim amount is exponentially distributed with a mean of 100. Calculate the expected value and variance of the aggregate claims over this period.
In 2012, The American Journal of Clinical Nutrition reported that 31% of Australian adults over age 25 have a Vitamin D deficiency. The data came from AusDiab study of 11218 Australians. do these data meet the assumptions necessary for inference?
Purchase likelihood was measured on a 7-point scale. Complete the table by calculating the mean square, F, significance of F, and Omega2 values.
A manufacturer claims that the mean life of batteries manufactured by his company is at least 44 months. A random sample of 40 of these batteries was tested, resulting in a sample mean life of 41 months with a sample standard deviation of 16 month..
a company that produces dvd drives has a 12 defective rate. let x represent the number of defectives in a random sample
Develop a hypothesis to investigate this problem based on the claim of the heat pump manufacturer
new york city is the most expensive city in the united states for lodging. the mean hotel room rate is 204 per night
Using t test for significance of slope to determine whether the independent variable is a significant predictor of the dependent variable - Find the sum of the least squares slope and intercept parameter?
the number of power outages at a nuclear power plant has poisson distribution with a mean of 0.8 outage per month. what
In the United States, sudden infant death syndrome (SIDS) is one of the leading causes of postneonatal deaths (those occurring between the ages of 28 days and 1 year).
overbooking of passengers on intercontincontinental flights is como practice among airlines. aircraft which are capable
In estimating a 95% confidence interval estimate of the average number of days absent for the company's workers last year should you use a z or t value in the formula?
Flaws occur in the interior of plastic used for automobiles according to a Poisson distribution with a mean of 0.02 flaws per panel. If 50 panels are inspected, what is the probability that the number of panels that have one or more flaws is less ..
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