When Sandy made landfall in October of 2012, it became the second most costly hurricane in the US. As of March 2014, the estimated cost was over $68 billion. Much of the damage was caused by flooding. The rainfall in areas affected by Sandy follow a Normal distribution. The average rainfall during the storm was 7.3 inches with a standard deviation of 2.44 inches (www.accuweather.com). Areas in Maryland and New Jersey saw more rain than the other affected regions. (a)  What is the probability that a randomly selected region had less than 5 inches of rain? (b)  What is the probability that a randomly selected region had between 10 and 12 inches of rain? (c)  What is the probability that a randomly selected region had more than 20 inches of rain?

In a study, the data you collect is Number of traffic tickets. What is the level of measurement?.

The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances that someone is earning more than $20 an hour?

The blue catfish (Ictalurus Furcatus) is the largest species of North Amercian catfish. The current world record stands at 143 pounds, which was caught in the John H. Kerr Reservoir (Bugg's Island Lake) located in Virginia. According to Amercian Expedition, the average weight of a blue catfish is between 20 to 40 pounds. Given that the largest blue catfish ever caught was at the John H. Kerr Reservoir, you believe that the mean weight of the fish in this reservoir is greater than 40 pounds.a) If you going to test this claim at the 0.05 significance level, what would be your null and alternative hypotheses?H0H0:               H1H1:               b) What type of hypothesis test should you conduct (left-, right-, or two-tailed)? left-tailed right-tailed two-tailed

For the month of April, a checking account has a balance of $539 for 22 days, $2318 for 3 days, and $214 for 5 days. What is the account's mean daily balance for April? The account's mean daily balance for April is approximately $ (Round to two decimal places as needed.)

A quantitative data set has a size of 50. At least how many observations lie within seven standard deviations to either side of the mean?

Please be sure answers are correct.

The blue catfish (Ictalurus Furcatus) is the largest species of North Amercian catfish. The current world record stands at 143 pounds, which was caught in the John H. Kerr Reservoir (Bugg's Island Lake) located in Virginia. According to Amercian Expedition, the average weight of a blue catfish is between 20 to 40 pounds. Given that the largest blue catfish ever caught was at the John H. Kerr Reservoir, you believe that the mean weight of the fish in this reservoir is greater than 40 pounds. Use the data below, which represents the summary statistics for 50 blue catfish caught at this reservoir, and a 0.05 significance level to test the claim that the mean weight of the fish in the John H. Kerr Reservoir is greater than 40 pounds. n=50;  ¯x=40.72 pounds;  s=5.03pounds Calculate your test statistic. Write the result below, and be sure to round your final answer to two decimal places.e) Calculate your p-value. Write the result below, and be sure to round your final answer to four decimal…

The mean annual wage per employee for each state and the District of Columbia for the year 2009 is $42,961 and the standard deviation is $7,884.75. The mean and standard deviation for Kentucky is $37,996 and $6,280.67. Using the data for all states including D.C., would a wage of $85,000 be unusual? Source: U.S. Bureau of Labor Statistics

The blue catfish (Ictalurus Furcatus) is the largest species of North Amercian catfish. The current world record stands at 143 pounds, which was caught in the John H. Kerr Reservoir (Bugg's Island Lake) located in Virginia. According to Amercian Expedition, the average weight of a blue catfish is between 20 to 40 pounds. Given that the largest blue catfish ever caught was at the John H. Kerr Reservoir, you believe that the mean weight of the fish in this reservoir is greater than 40 pounds. If you are going to test this claim, what would be your null and alternative hypotheses? Но: (? На: (?