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1) A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 30.
Following are the American College Test (ACT) scores attained by the 25 members of a local high school graduating class:
21
24
23
17
31
19
20
25
16
28
14
18
Find P99, P90, and P80 for the ACT scores. [Hint: Use nk/100 to find the location in the ordered data for each percentile.] All work must be show in order to get your assignment graded
2) How is a "discrete" variable different from a "continuous" variable? Please give one example of each, and describe how these examples differ from one another.
Identify what makes flipping a coin and keeping track of tails a binomial experiment .
3)If the random variable z is the standard normal score and a > 0, is it true that P(z < -a) = P(z > a)? Why or why not?Then find the z-score for the standard normal distribution where:
Area=0.32 in the left tail.
Would you be able to assist me in completing a 5 step hypothesis test on both hypotheses (1 parameter & another with 2 or more)? In completing this test, I need to explain how to complete it.
The standard deviation, over a long period of time, was computed to be 0.150 mm. What percent of the ball bearings on this line will have diameters of 20.27 mm or more?
Then compute the probability of B in each situation (these are the P(B|An)). Finally weigh each of these probabilities with the probabilities that you are in an situation.
The probability that the responder is a woman is 0.57. Find the probability that the response is in favor of the death penalty given that the responder is female.
An insurance company is reviewing its current policy rates. When originally setting the rates they believed that the average claim amount was $1,800.
suppose we have a set of blood pressures with a mean of 70 diastolic and a sample standard deviation of 10 points. if
In the boom years of the late 1990s, it was often said that rapidly increasing stock prices were responsible for much of the rapid growth of real GDP. Explain how this could be true, using aggregate demand and aggregate supply analysis
To test this notion, eight paid volunteers were placed (individually) in a room in which there was no light from the outside and no clocks or other indications of time.
Find the area under the normal distribution curve to the right of z = -1.03.
The container label. What is the probability that a bottle of this liquid detergent will fail to meet the quality control standard?
Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 773 kernels and put them in a popper.
Can you show me an example of this? I am a nurse, can you show me an example from the health care field to help me to understand this?
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