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Computing the expected values for the given probability distribution.
Find the expected values of the following probability distributions:
1.
Yi
5
10
15
20
25
p(Yi)
0.15
0.25
0.05
0.20
0.35
2.
0.30
Findout probabilities utilizing standard normal distribution. If the debt is normally distributed with a standard deviation.
Location along 500-ft assembly line from which to observe the work habits of the workers on the line. What is the probability that the point she selects is?
In an effort to counteract student cheating, the professor of a large class created four versions of a midterm exam, distributing the four versions among the students in the class.
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You randomly select 425 students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a chagne in the claimed or expected distribution? Use a =0.025.
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What is the number of personnel records that should be sampled, at minimum, to satisfy the requirements?
The simple random sample is n = 14, σ = 12.5 and the original population is normally distributed.
Suppose a random sample of 25 swatches are selected. What is the probability that the mean of the sample is less than 235 pounds per square inch.
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