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Which of the following is a valid objective function for a linear programming problem?
MAX: 5x3+3y3
MIN 1x + 3y3
MAX: 5x2 + 6y2
ABS 2x + 3y
MIN: 4x-9y
Suppose the number of tickets written per day follows a Poisson distribution with a mean of 6.5 tickets per day. Interpret the value of the mean. The mean has no interpretation since 0.5 ticket can never be written.
Hardluck Harry has a batting average of .200 (i.e., a 20 percent chance of a hit each time he's at bat). Scouts for a rival baseball club secretly observe Harry's performance in 12 random times at bat. What is the probability that Harry will get at l..
a population is normally distributed with mean 50 and standard deviation 10 and sample mean 50. what are the mean and
A sample of 70 orders revealed that 57 were delivered in promised time. At .02 significance level, can we conclude that less than 87 percent of orders are delivered in less than 10 minutes?
it is reasonable to model the number of winter storms in a season as with a poisson random variable. suppose that in a
1.a poll finds that 54 of the 600 people polled favor the incumbent. shortly after the poll is taken it is disclosed
compare the mean for the heights of males which is 69.78 and the mean for the heights of females which is 67.08.
"If you took 40 employees at random from the corporation, there is a pretty good chance the average number of days absent would be 12 or more. That's what happened to us - chance variation." Is this a good defense? Justify your answer.
the citizens of a certain community were asked to choose their favorite pet. the pie chart below shows the distribution
Calculate separately for 1983 and 1987, the 95% confidence interval for the proportion of students who had driven an automobile while drinking.
computing probability values using normal distribution.a sample of 500 evening students revealed that their annual
situations comparing two proportions are described. in each case determine whether the situation involves comparing
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