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The insurance company will insure a $50000 diamond for its full value againtst theft at premium of $400 per year. Assume that probanility that dimond will be stolen is .005, and let x denote insurance company's profit.
a) set up probability distribution of random variable x.b) Compute insurance company's expected profit.c) Determine premium that insurance company must chare if it wants its expected profit to be $1000
Monthly sales figures for store are as follows. Determine the:Mid-rangeStandard Variance.
Critically illustrate out the range? What is the arithmetic mean income? What is the population variance?
Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.
An educational study uses a simple pre-post design to assess the efficacy of a computer tutor for solving inequalities. Twelve pilot students participate. Each student is given a pre-test, then participates in six sessions using the tutor, then i..
A test of hypothesis is conducted at the .05 level of significance to test either or not the population correlation is zero.
Describe the sampling distribution model of this mean.
What is the probability that at least one of the 40 shuttle missions scheduled over the next 5 years results in a critical-item failure?
What is the P-value of the test, assume the standard deviation is 3 years, a 95% confidence interval for the average time
Suppose you study a random sample of 100 GRE verbal exams. Determine the probability that the average (mean) score in this sample will be between 485 and 515.
When using SPSS to perform a 2 independent sample t-test, the P-Value was .136...with alpha set to .05. I have to decide to accept or reject the null hypothesis.
The means appear to be very close, but not the variances. At α = .05, is there a difference in variances? Show all steps clearly, including an illustration of the decision rule.
Using the empirical rule, what is the approx percentage of cans of regular coke with weights between 0.80931 lbs. and 0.82433 lbs?
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