Statistics from a college's climate center indicate that the city the college is in gets an...
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Statistics from a college's climate center indicate that the city the college is in gets an average of 35.1" of rain each year, with a standard deviation of 3.8". Assume that a Normal model applies. Complete parts a through d below. a) During what percentage of years does this city get more than 40" of rain? The percentage of years with more than 40" of rain is %. (Round to two decimal places as needed.) b) Less than how much rain falls in the driest 10% of all years? The driest 10% of all years get at most of rain. (Round to one decimal place as needed.) c) A university student is in this city for 6 years. Let y represent the mean amount of rain for those 6 years. Describe the sampling distribution model of this sample mean, y. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. OA. A Binomial model with trials and a probability of success of (Type integers or decimals rounded to two decimal places as needed.) OB. A Normal model with mean and standard deviation. (Round to two decimal places as needed.) OC. There is no model that fits this distribution. d) What's the probability that those 6 years average less than 31" of rain? The probability that those 6 years average less than 31" of rain is (Round to four decimal places as needed.) Statistics from a college's climate center indicate that the city the college is in gets an average of 35.1" of rain each year, with a standard deviation of 3.8". Assume that a Normal model applies. Complete parts a through d below. a) During what percentage of years does this city get more than 40" of rain? The percentage of years with more than 40" of rain is %. (Round to two decimal places as needed.) b) Less than how much rain falls in the driest 10% of all years? The driest 10% of all years get at most of rain. (Round to one decimal place as needed.) c) A university student is in this city for 6 years. Let y represent the mean amount of rain for those 6 years. Describe the sampling distribution model of this sample mean, y. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. OA. A Binomial model with trials and a probability of success of (Type integers or decimals rounded to two decimal places as needed.) OB. A Normal model with mean and standard deviation. (Round to two decimal places as needed.) OC. There is no model that fits this distribution. d) What's the probability that those 6 years average less than 31" of rain? The probability that those 6 years average less than 31" of rain is (Round to four decimal places as needed.)
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The image presents a set of statistics problems based on the assumption that rain data in a city follows a normal distribution with a mean annual rain... View the full answer
Related Book For
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
Posted Date:
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