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A box stored in a warehouse contains 100 units of a specific part of which 10 are defective and 90 are non defective. three parts are selected without replacement. construct a tree diagram representing the sample space.
What is the z score for a cd player will break down during the guarantee period of 2 years? The statement that the cd player breaks during the 2-year.
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
The U.S. Fish and Wildlife Service's report on the bass population in the North American lakes indicated average weight of the fish to be 3.0 lb.
Find the probability that among 8 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue?
An economist found that a random sample of 42 high school teachers had an average annual salary of $56,490. A previous study showed that the population standard deviation is $4150. Find the 99% confidence interval for µ, the average annual salary ..
Normal distribution of 5 pounds per square inch, standard deviation of 1.5 pounds per square inch, what proportion have less that 3.17 pounds per square inch, at least 3.6 pounds, are between 5 and 5.5 and 95% will be contained between what two va..
American Demographics reported the results of a survey on the planning habits of men and women. In response to the question.
For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %.
Explain the relationship between sample size and the likelihood of a statistically significant difference between the measured values of two groups.
There are 8 members on the board of directors. If the board must form a committee of 6 members, how many different ways may the committee be selected from among the 8 board members?
This result prompts a test administrator to claim that standard deviation for eighth graders on examination is less than 29.At a = 0.10, is there sufficient evidence to support administrator's claim?
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