Average length of crocodiles in a swamp
The average length of crocodiles in a swamp is 11.5 feet. If the lengths are normally distributed with a standard deviation of 1.7, find the probability that a crocodile is less than 11 feet long.
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Assume we roll a die repeatedy till we see each number a least once and let R be the number of rolls required. Determine the mean and variance of R.
The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $24 and 37 per share.
Decide which mean, median, mode will be appropriate to represent measures of central tendency/data average for above data. Justify the answer.
A manufacturer produces pistons rings for automobile engine. It is known that the ring is approximately normally distributed as well as has standard deviation of s = 0.001 mm. A random sample of 15 rings has mean diameter of mm. Using the proper 9
how many ways are there of filling all positions of the cabinet if we suppose that each position be filled by the different person and take into account which position each has been allotted?
The average yearly Medicare Hospital Insurance benefit per person was $4064 in a recent year. If the benefits are normally disturbed with a standard deviation of $460, find the probability that the mean benefit for a random sample of 20 patients i
A random sample of 70 printers discovered that 37 of them were being used in small businesses. Determine the 99 % confidence interval for the true proportion of printers that are used in small businesses.
The marketing analysis illustrates that 12% of consumers who don't presently drink KickKola will buy KickKola next time they purchase the cola.
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Participant reactions to the confederate were recorded by a camera hidden in the ceiling. Is it likely that there will be a Hawthorne effect in this example?
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