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What is the probability that a well shuffled deck will produce a straight flush (five cards of one suit in order; A,K,Q,J,10 of spades or 5,4,3,2,A of hearts, etc. note that the ace can be high or low.
The formal addition rule expressed the probability of a or b as follows: p(a or b) =p(a)+p(b)-p(a and b). Rewrite the expression for p(a or b) assuming that the addition rule uses the exclusive or instead of the inclusive or (recall that the exclusiv..
A reporter took a simple random sample of 725 voters in a region that has a population of 12,457. He recorded that 338 of the persons polled favored Issue 1 on the ballot.
Suppose a student received the following grades for the semester: History, B; Statistics, A; Spanish, C; and English, C. History and English are 5 credit hour courses
Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
Probability distribution with μ = 6 ounces and σ = 2.5 ounces. Which of the following is true about the sampling distribution of the sample mean if a sample of size 15 is selected?
The stock price on the next day can either go up by $10 with probability 40% or go down by $10 with probability 60%. What is the probability that the 2nd day's stock price is $50 given that the 1st day's price is $60?
A company has two different processes that make credit cards. Suspecting that machine B has a higher variability than machine A the manager orders a test to be run. The following data was collected:
how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.
What sample size must you take to be 96% confident that the results will be within $.75 of the true mean cost per call?
Obtain and interpret the 40th percentile for the finishing times and part D) find and interpret the eighth decile for the finishing times.
The Ohio Department of Highways is in the process of selecting a new paint for highway use. Four different paint companies have been contact regarding this need and each of the companies has supplied paint for testing.
Let X be the number of successes at UZ. What is the distribution of X? What is the asymptotic distribution of your estimate from (d)?
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