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For the probability function
X:
1
2
3
4
5
P(x):
0.15
0.2
0.3
determine the mean, the variance, and P(X ≤ µ).
Assuming that students make their decisions independently, the number who accept has the B (1200, 0.75) distribution. If this number is less than 950, the college will admit students from its waiting list.
If the suspect was selected from a group of suspects of which only 5% have ever committed a crime, and the serum indicated that is guilty what the probability that he is innocent?
the annual assets for first michigan corporation is aproximately normally distributed with standard deviation 50. the
suppose that a computer programmer on average makes 3 errors in 500 lines of code. what is the probability that the
Construct a 95 percent confidence interval for the true mean.
A retail federation conducted a nationwide survey of 1000 adults last October and found that approximately 55% of the respondents planned to do some type of Halloween decorating.
use the one-proportion z-test to perform an appropriate hypothesis test. be sure to check the conditions for using that
Suppose that a random sample of 120 house owners reveals that the average ownership period until the property is sold was 7.2 years and the standard deviation was 3.5 years.- Conduct a two-tailed hypothesis test using α = 0.05 and state your conclu..
Psychological Statistics
a gymnast m 70 kg is stationary in the inverted iron cross position. his arms are at 20 degrees from horizontal with
Find out what the organization does. Learn about e-mail scams and Web site scams. Report your findings.
Four have a 4/10,000 chance for failure. One component has a 1/100 chance for failure. What is the overall reliability of the product?
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