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A deck of cards contains 52 cards, 13 in each of four suits (hearts, diamonds, clubs and spades). Suppose you have been dealt five cards without replacement from a randomly shuffled deck of cards. Find the probability that al five cards are hearts.
a) .002578b) .003451c) .000993d) .000495
Chi-square test for goodness of fit - difference in the use of the four entrances?
A soft drink machine outputs a mean of 24 ounces per cup. the machines output is normally distributed with a standard deviation of 2 ounces. what is the probability of filling a cup between 21 and 26 ounces.
Conduct a hypothesis test using H 0 : σ 2 = .009216 to see whether the sample data indicate that the variability in interest rates changed.
In which of the following situations is bootstrapping (and other resampling methods) often used and Which of the following is a valid description of the bootstrapping method.
Construction of histogram and pie chart for continuous data
He is sorry but there is a 99.9% (1-0.001) chance that you have HIV. Is he correct? What is the actual probability that you are HIV positive?
Consider the following data for two independent random samples taken from two normal populations. What is the 90% confidence interval estimate of the difference between the two population means?
Use the binomial distribution formula to calculate the probability that:
Testing for two Proportions - Is the difference between the averages statistically significant?
Critically discuss the lower control limit for a proportion defective if the average daily production is 5000 units and the average fraction defective is .02?
A financial adviser is interested in predicting bond yield based on bond terms, i.e., one year, two years, etc. What is the dependent variable?
The length of a Colorado brook trout is normally distributed. What is the probability that a brook trout's length, (Round your answers to 4 decimal places.)
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