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When two cards are drawn from an ordinary deck of 52 playing cards, what are the probabilities of getting (a) 2 aces; (b) 2 spades, of which there are 13 in the deck; (c) a king and a queen?
Records show that the probability that it rains in our town on a single day is 0.35. If rain on different days constitutes independent events, find the probability that it:
At the beginning of a particular work shift, a machine is in one of three states: operating properly, operating in a minor degraded condition, or operating in a major degraded condition. The machine
In Texas Hold'em, assuming that you are dealt a pocket pair, determine the probability the the flop
What determines the width of bars in a histogram?
Assuming ship berthing follows a Poisson Distribution at JaxPort. If a fuel spill occurs for 5% of all berthings. What is the probability that exactly 7 fuel spills occur in 100 berthings?
A survey of an urban university (population of 25,450) showed that 750 of 1,100 students sampled attended a home football game during the season. Using the 99% level of confidence, what is the confi
What is the required sample size if the error should be less than a half hour with a 99% level of confidence?
Construct a 99% confidence interval for the standard deviation of the number of hours this firms employees spend on work-related activities in a typical week.
A friend of mine is giving a dinner party. His current wine supply includes 9 bottles of zinfandel, 10 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. If he wa
The player then receives the reward assigned to the 99 squares to minimize the player's reward (regardless of how many times the game is repeated)? To make the game interesting, the assignment of $0
If he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? If 6 bottles of wine are to be randomly selected from the 30 for serving, how many ways
Researchers at a food company are interested in how a new spaghetti sauce made from green tomatoes ( and green in color) will compare to their traditional red spaghetti sauce.
A company that manufactures video cameras produces a basic model and a deluxe model. Over the past year, 47% of the cameras sold have been of the basic model. Of those buying the basic model, 32% pu
Using a tree diagram, what is the probability that you actually do have this disease? Using the conditional probability equations, what is the probability that you actually do have this disease.
There are 13 hearts in a full deck of 52 cards. In a certain game, you pick a card from a standard deck of 52 cards. If the card is a heart, you win. If the card is not a heart, the person replaces
Which of the following is not part of operationalization of a concept?
The operationalization of a construct means that there must be looked for as many related, dimensions and elements of the construct as possible.
Manipulation of independent variables in order to unravel causal relationships is unacceptable from a scientific point of view.
A sample was drawn of one-acre plots of land planted with corn. The crop yields were recorded. Calculate the descriptive statistics you judge to be useful. Interpret these statistics.
Characterize the sample space describing the prisoner's possible alocation options. (Which allocation affords the prisoner the greatest chance of survival?)
What is the range width of the actual number of people present at the Station at any given moment? (For concreteness, assume the fluctuations do not exceed one sigma.)
Find & interpret the probability that exactly 8 of them started smoking before 21 years of age. Find & interpret the probability that fewer than 8 of them started smoking before 21 years of ag
Describe the sampling distribution of y-bar, the sample mean. (Be sure to include the name of the distribution and the 2 parameters that describe the distribution.)