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Solve different inventory control problems using an appropriate OR method.
A week before the skiing season, a trade fair is organized where skiers can buy or exchange their skiing equipment. A local retailer has decided to sell winter gloves at the trade fair. The retailer can buy gloves for a reasonable price of £20 per pair and sell them for £45 per pair. The retailer can sell all the unsold gloves later on for £15 per pair; however, there will be an additional associated cost of £1 per unsold pair of gloves.
As there is no statistical data, the retailer estimate that they can sell 100, 120, 140, 160, 180, or 200 pairs of gloves, with equal probabilities.
How many pairs of gloves should the retailer order to maximize hi/her profit?
An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval
Drug sniffing dogs must be 95% accurate. A new dog is being tested and is right in 46 of 50 trials. Find a 95% confidence interval for the proportion of times the dog will be correct.
where p is the binomial probability of returning a completed survey, and log is the natural logarithm. The multiple logistic regression output from fitting this model is given below.
This model is fit to the data using the method of least squares using statistical software, and the following parameter estimates and their standard errors are obtained.
how many chocolate chip cookies will he need to sample to estimate the mean to within 2, what is a 99% confidence interval for the average number of chips per cookie?
What is the probability that the mean contents of a six-pack are less than 12 ounces and what is the chance I find at most two defectives in the sample
How strong is the evidence against the company's claim? Based on these data, the P -value of the appropriate test
There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval for the difference in the proportion of defectives.
Solve the mean and standard deviation equations
Compute the variance and standard deviation
A scientist examined the effect of temperature and catalyst on the yield of a reaction. He ran the experiment at both 150° and 200°C with two types of catalyst.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
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