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A bag contains 10 red, 12 green, and 8 yellow marbles. Assuming that all the marbles are equally likely to be picked from the bag, what is the probability that the second marble is yellow, given that the first marble was yellow? Please help me with my prob/stat question!
Various temperature measurements are recorded at different times for a particular city. The mean of 25C is obtained for 60 temperatures on 60 different days. Assuming that pop st/deviation is 1.5C, test the claim that the population mean is 23C. Use ..
Suppose we have a ""black box" which on command can generate the value of a gamma random variable with parameters 1.5 and 1. Explain how we can use this black box to approximate
A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection.
Determine the most likely outcome? Are events "alcohol involved" and "2 or more vehicles involved" mutually exclusive? Describe your reasoning.
For a candidate to win in a congressional district, he has to have won over half of the vote. The Republican candidate takes a poll to assess his chances in a two-candidate race.
Can the formal hypothesis testing approach be used for nonparametric tests? How are parametric and nonparametric statistics different?
Picking numbers at random I pick two numbers uniformly at random from {1; 2; : : : ; 6n}, with replacement. What is the probability that both numbers choose are divisible by 2?
you have purchased five shares of stock in diversified machine tools which has a mean value of 25 and a standard
Assuming that a difference (Δ) of 2 lbs. in the mean was important to detect, a maximum Type I Error (α) level of 5%, and the desire to run a two-tailed test, then:
suppose you own a reliability system that consists of two components connected in series with the first one having
Compute the population mean, the population median, the population midrange, the population range, the population variance, the population standard deviation, and the population proportion of odd numbers. Verify the following results:
What would happen to the size and the sign of the correlation coefficient if we correlated these two variables? How can researchers work around this issue?
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