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The random variable x is known to be uniformly distributed between 1.0 and 1.5.
a. Show the graph of the probability density function.
b. Compute P(x = 1.25).
c. Compute P (1.0 £ x £ 1.25).
d. Compute P (1.20 < x < 1.5).
The following frequency distribution was obtained. The data values are in hours. Construct a histogram for the data .
LSAT scores are normally distributed, with a mean of 150 and s = 10.
Assuming the nurses surveyed were a simple random sample from the population of all nurses in the United States, find the appropriate null hypothesis for these data
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
If probability the first truck is available is= .75, probability the second truck is available is= .50, and probability both are available is= .30, determine the probability which neither truck is available?
Find the probability that a randomly selected employee earns less than $5.43.
We code middle-aged Americans as 1 and senior citizens as 0, the logistic regression model for senior citizens
Suppose the sample variance for 30 parts turns out to be s 2 = .0005. Use α = .05 to test whether the population variance specification is being violated.
Use a 5% significance level to test the claim that there appears to be a difference in the effectiveness of the two diets.
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
Would the null hypothesis be accepted or rejected in this case?
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