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De?ne what is meant by and give an example of
(a) a random variable,
(b) a discrete random variable, and
(c) a discrete probability distribution.
(d) What is the distinction between a probability distribution and a relative-frequency distribution?
A discrete probability is the likelihood that certain discrete data will occur. What is discrete data? Consider a scenario where you could use a discrete probability to predict the likelihood of an event.
What are the appropriate H0 and Ha for each of the following research studies? In addition, note whether the hypothesis test is one- or two-tailed.
Findout the value of X using normal distribution which gives standard deviation also mean. A math teacher gives two different tests to measure students' aptitude for math.
What statistics test should I be using when I am assessing whether subjects were able to complete a task (i.e. Yes/No nominal data) before instructions, after instructions and then again after a demo
Below is a plot of the Olympic gold medal winning performance in the high jump (in inches) for the years 1900 to 1996.
a random sample of 15 student nurses were given a test to measure their level of authoritarianism with the following
over the years grades in an introductory statistics course were recorded and showed the following proportionsa 0.20 b
A researcher is interested in the relationship between caffeine consumption and activity level for elementary school children. A sample of 20 children is obtained and the children are separated into two roughly equivalent groups.
convert the following sat scores into a new distribution with a mean of 50 and a standard deviation of 2.what new score
Where is the flaw and how can it be fixed? If R^2 is taken as a model for the Euclidean plane, does this help resolve the difficulty? Explain.
to get the best deal on a cd player tom called eight appliance stores and asked the cost of a specific model. the
problem 1ab21383332405637582245254639572849344325412755a marketing specialist is assessing the effectiveness of two
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