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For each of these questions you must provide a diagram indicating the area or the percentile of the relevant distribution for the question. These diagrams can be drawn and photographed with the picture file pasted in the space provided or cut and pasted from Minitab. You will lose marks if you do not provide diagrams. The answer to each question should be clearly stated (ie. do not just give computer output for an answer).
a. The Flaky Bakery is famous for its crusty croissants. The numbers of calories in these croissants are normally distributed with a mean of 300 and a standard deviation of 16 calories.i. Find the probability that a randomly selected croissant bought at the Flaky Bakery has less than 320 calories.
ii. Find the probability that a randomly selected croissant bought at the Flaky Bakery has between 280 and 290 calories.
iii. The croissants are packaged into boxes of six. Find the probability that the average number of calories in a box of six randomly selected croissants from the Flaky Bakery is more than 310 calories.
If it costs 1 cent to make a liver-flavored biscuit and 2 cents to make a chicken-flavored one, what is the optimal product mix for a package of the biscuits in order to minimize the firm's cost?
Compute Pearson's correlation coefficient between age and amount spent on this particular product.
An urn contains 9 white balls and 8 green balls. If Juan choose 9 balls at random from the urn, what is the probability that he will select 5 white ballight and 4 green balls? Round your answer to 3 decimal places.
An unknown distribution has a mean of 80 and a standard deviation of 12. A sample size of 95 is drawn randomly from the population.
A retailer finds that the demand for a very popular board game averages 100 per week with a standard deviation of 20. If the seller wishes to have adequate stock 95% of the time.
a multiple choice test consists of 60 questions. each question has four possible answers and each question has one
Create a 95%confidence interval for the value of the population mean, given that their is a sample mean of 49 and a standard deviation of 3 but now found those valuesfrom a sample of only 20 observations.test the hypothesis allowing for type 1 error ..
The concentration of glucose(mg/dl) for all samples was measured on one run of a spectrophotometer 1. give the statistical model and full explain each component.
Dealing with a large collection of categories complicates a regression, and software does not always provide the needed tools. The following procedure is often helpful.
which of the following is not a requirement for regression analysis?a outliers can have a strong effect on the
quality are reliability are becoming important aspects of computer hardware and software. past experience shows that
an average of 5 calls coming per minute. What is the probability that up to a minute will elapse until 2 calls have come in to the switchboard?
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