Question

In: Statistics and Probability

Rainfall: Statistics from Cornell's Northeast Regional Climate centre indicate that Ithaca, New York, gets an average...

Rainfall: Statistics from Cornell's Northeast Regional Climate centre indicate that Ithaca, New York, gets an average of 35.4" of rain each year, with a standard deviation of 4.2". Assume that a normal model applies.

a) During what percentage of years does Ithaca get more than 40" of rain?

b) less than how much rain falls in the driest 20% of all years?

c) A Cornell University student is in Ithaca for 4 years. Let  represent the mean amount of rain for those 4 years. Describe the sampling distribution model of this sample mean, .

d) Whats the probability that those 4 years average less than 30" of rain?

Solutions

Expert Solution

Pls upvote...!!!

orchestra answered 2 years ago
Next > < Previous

Related Solutions

A regional airline sells 200 tickets to New York City for an average price of $...
A regional airline sells 200 tickets to New York City for an average price of $ 150 one way. Half of the people on the flight will purchase a meal for $5. The airline’s employee costs per flight include $500 each for the pilot and copilot, and $200 for each flight attendant. The law requires airlines to have at least one pilot, copilot, and flight attendant for each flight. Fuel for the flight is expected to cost $8,000, and the...
A regional airline sells 200 tickets to New York City for an average price of $...
A regional airline sells 200 tickets to New York City for an average price of $ 200 one way. Half of the people on the flight will purchase a meal for $6. The airline’s employee costs per flight include $500 each for the pilot and copilot, and $200 for each flight attendant. The law requires airlines to have at least one pilot, copilot, and flight attendant for each flight. Fuel for the flight is expected to cost $8000, and the...
What do climate change statistics indicate about India?
What do climate change statistics indicate about India?
What do climate change statistics indicate about India?
What do climate change statistics indicate about India?
True Financial corporation is a financial services holding company headquartered in ithaca new york, that offers...
True Financial corporation is a financial services holding company headquartered in ithaca new york, that offers banking insurance and wealth management service. It pays cash dividends quarterly and also issues stock dividends periodically. 1. At March 31, 2012, True had 9,726,700 shares issued with a par value of $7.00 per share and $75,00 share held in treasury. On April 25, 2012, the company announced that its Board of Directors approved payment of a regular quarterly cash dividend of 3.50 per...
Tronic Financial corporation is a financial services holding company headquartered in Ithaca,New York, that offers banking...
Tronic Financial corporation is a financial services holding company headquartered in Ithaca,New York, that offers banking insurance and wealth management service. It pays cash dividends quarterly and also issues stock dividends periodically. 3. Tronic issued 9% stock dividends in 1995, 2003, 2005, 2006, 2010. In 1998, True issued a three-for-two split. If an investor purchased 800 shares in 1994, how many shares would the investor have in 2012?
2. The New York Times reported that the average time to download the homepage from the...
2. The New York Times reported that the average time to download the homepage from the IRS website was 0.8 seconds. Suppose the download time was normally distributed with standard deviation of 0.2 seconds. If random samples of 30 download times are selected, a. what proportion of sample means will be less than 0.75 seconds b. what proportion of the sample means will be between 0.7 and 0.9 seconds c. 90% of sample means will be less than what value?
The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a mean annual rainfall of 42 inches.
The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a mean annual rainfall of 42 inches. Assume that the standard deviation for both states is 4 inches. A sample of 33 years of rainfall for California and a sample of 46 years of rainfall for New York has been taken. (a) Show the probability distribution of the sample mean annual rainfall for California. A bell-shaped curve is above a horizontal...
The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a mean annual rainfall of 42 inches.
  The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a mean annual rainfall of 42 inches. Assume that the standard deviation for both states is 4 inches. A sample of 34 years of rainfall for California and a sample of 46 years of rainfall for New York has been taken. (a) Show the probability distribution of the sample mean annual rainfall for California. A bell-shaped curve is above a...
Developing an Equation from Average CostsParadise Pub is a high-end dog hotel located in New York....
Developing an Equation from Average CostsParadise Pub is a high-end dog hotel located in New York. Assume that in March, when dog-days occupancy was at an annual low of 500 days, the average cost per dog-day was $26. In July, when dog-days were at a capacity level of 4,500, the average cost per dog-day was $10.(a) Develop an equation for monthly operating costs. (Let X = dog-days per month)Total cost = $Answer + $Answer * X(b) Determine the average cost...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT