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Question: Two automatic dispensing machines are being considered for use in a fast-food chain. The first dispenses an amount of liquid that has a normal distribution with a mean of 11.9 ounces and a standard deviation of 0.07 ounces. The second dispenses an amount of liquid that has a normal distribution with a mean of 12.0 ounces and a standard deviation of 0.05 ounces. Acceptable amounts of dispensed liquid are between 11.9 and 12.0 ounces. Calculate the relevant probabilities and determine which machine should be selected.
What is the likelihood that the mean annual precipitation during 25 randomly picked years will be less than 90.8 inches?
At the 0.05 level ofsignificance is there evidence of a difference in the mean distances traveled by the golf balls with different designs?
Find the margin of error for a 89% confidence interval for the true mean cost of textbooks of U of M students in one semester.
a study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least
Suppose we flip a fair coin repeatedly. Let Xi equal 1 if flip i was heads (H) and 0 otherwise. Let N denote the number of flips needed until H has occurred 100 times.
1.an old saying in golf is you drive for show and you putt for dough. the point is that good putting is more important
A national study found that students studied, on average, 15.0 hours. You hypothesize that students at this university study more than the national average. What is your alternate hypothesis? (Assume x represents the University students, and μ is the..
Please help me with the following 3 problems. There are only a few that I can't seem to figure out. Please use excel and show me a step by step solution to give me a full understanding. Thanks a lot!
Draw a picture of the appropriate sampling distribution, and show where the value x‾1 - x‾2 = 2 falls on it.- Find the value of the standardized statistic corresponding to x‾1 - x‾2 = 2.
given a level of confidence of 95 and a population standard deviation of 13 answer the followinga what other
A sample of 140 golfers showed that their average score on a particular golf course was 93.38 with a standard deviation of 4.36. Answer each of the following (show all work and state the final answer to at least two decimal places.):
What is the probability that the product will last more than 5 years before it fails - what is the probability that the lifespan of the product is less than 4 years or more than 7 years when it fails and how many years before 15% of this product are ..
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