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Hurricane Katrina forced insurance companies to examine policy rates and originally determined that the average claim amount was $1900.00. A review of the average amount determined that the true mean was higher and could potentially lead to future financial losses.
Taking a random sample of 50 claims please provide a detailed hypothesis testing for this data including the standard deviation to accept or reject the hypothesis.
Find the margin of error for the estimator in this survey for a 95% level of confidence . In part c, what does the 95% level of confidence imply in relation to the margin of error?
If 1st wave of such 5000 emails were sent to the target age group in Hang Road region, What is the probability that 1750 or fewer people will respond and switch their credit card?
The graduates find a job within 1 year of graduating. What is the probability that among 9 randomly selected graduates, at least 1 finds a job within 1 year.
find the range standard deviation and variance for the following sample data2 11 81 29 22 59 78 71 21 43 99 12 38 74 56
Determine the completion time and standard deviation (σ) for project roundoff the standard deviation to the nearest hundredth: two decimal places.
The weights of adult males is normally distributed with a mean of 200 pounds and a standard deviation of 40 pounds. Calculate the probability that an adult male weighs less than 130 pounds.
question for the population of all u.s college students the gpa is approximately normally distributed with a mean of
The statistical analysis predicted that there would be 104 foxes. Calculate the residual for that data point.
a man recorded the leading digits of the sizes of files stored on his computer. they have frequencies of 45 32 18 12 9
Define irregular component in time series and explain the differences between other components as well as its effects.
let z be a random variable with a standard normal distribution and let x be a random variable with normal distribution
the f.s. supplies company buys calculators from a japanese supplier. the probability of a defective calculator is 20.
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