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A failure time T has a uniform distribution on [0,30]. The force of interest is a constant 5%. A single premium insurance contract pays 1 unit at the moment of failure. It is desired to have at least a 95% probability that premiums will cover benefits on a large group of contracts. Answer the following assuming a normal approximation.
(a) Suppose the security loading is 20%. How many contracts should be sold?
(b) It is estimated that 100 contracts will be sold. What should the security loading be?
Assume grades in a course follow a normal distribution. The average grade in a class is 75, and the standard deviation is 5 points. A professor takes a sample of 10 people in the class and calculates the average for that class is also 75. IN other..
What are the assumptions that must be met for non-parametric statistics? What are the positives and the negatives of the chi-square test?
The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. What proportion of students drank 7 or more cups of coffee per day?
using the approximations for normal curves what percentage of scores fall between the mean and one standard deviation
suppose you have a big vat of balls and that 70 of the balls are green and 30 of the balls are red. suppose you
The expecyed monetary value with no survey is $62,000. If the expected value of sample information is -$7,000, what is the expected monetary value with the survey?
a random sample of size 56 from a normal population showed a mean of 63 and a sum of squares of deviation from the mean
Suppose we toss a coin once and let p be the probability of heads. Let X denote the number of heads and let Y denote the number of tails.
An example of how to calculate the tax liability using the tax rate table and the tax rate formula for a taxpayer with taxable income of $55,000, filing status married filing jointly.
List all corner points and determine which combination of items will produce the maximum profit.
Do the sales prices of houses in a given community vary systematically with their sizes (as measured in square feet)?
suppose that the amount of time between consecutive surges in an electricity network has an exponential distribution
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