Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard deviation as 5 min.

Using the empirical rule, what percent of students wait between 15 and 25 minutes?

What percent wait more than 20 min?

Using the empirical rule, what is the chance that someone waits less than 5 min?

This is used for the next few questions: The rating for the new scary movie has a scale of 0 to 10. The average response was that the regular movie attendant enjoyed the movie with 8.3 points and a standard deviation of 0.5 points.

What is the percent of people who gave the movie a rating between 6.8 and 8.8?

(Write the number as a percent only without a percent sign.)

This is used for the next few questions: The rating for the new scary movie has a scale of 0 to 10. The average response was that the regular movie attendant enjoyed the movie with 8.3 points and a standard deviation of 0.5 points.

What percent of people gave the movie a 9.8 or better?

(Write answer as a percentage without a percent sign.)

A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what percentage of students spend less than 12 hours in class?

If an hourglass takes an average of 1 hour to empty a full cycle, what probability of time does it take longer than 72 minutes if the standard deviation is 5 minutes?(Make sure to use a percentage!)

On average, the printer uses 500 sheets of paper each day with a standard deviation of 10 sheets. What is the probability that the printer uses more than 508 sheets of paper?

A homeowner stays in a single location for an average of 20 years with a standard deviation of 5.7 years. What are the chances (percentage) that someone lives in their home for 40 years or more?

Employees at Executive Management Co. spend an average of 80 minutes on the phone each day. If the standard deviation is 8 minutes, what percentage of people spend less than 1 hour on the phone?

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?

Red pens comes with a certain amount of dye #2 from the factory. The average pen needs approximately 1 gram of dye with a standard deviation of 0.083 g. What is the percentage that a pen has dye #2 above 1.1 g?

The Alpha company takes a survey of the age for all employees. The average age is 35 with a standard deviation of 3.2 years. The results for a normal distribution curve. If the company has 985 workers, how many are over 44 years old?

If a household appliance has a wattage of 8,013 and is in use for 3 hours, how much CO2 was produced? Round to 1 decimal.

A heating pad takes 4,254 Watts during each time it is turned on. If you only use it for 43 minutes, how much CO2 was created? Round to 1 decimal.

The gas tank of a 2012 Toyota Prius holds 23.6 gallons. How many pounds of carbon dioxide are produced by burning an entire tank of gas? Round to 1 decimal.

The Honda CR-Z gets 22 miles per gallon on average. How much carbon dioxide would be emitted if the Honda were driven 837 miles? Round to 1 decimal.

Convert the following. Round to 1 decimal.

0.738 miles2converted into feet2

Find the are of a circle that has a radius of 19.9 m. Put your answer as yards squared rounded to 1 decimal.

If you have a volume of 45,573 cm3, how many ft3does that make? Round to 1 decimal.

Find the volume of the following rectangular box with the dimensions below:

6.7 inches length

7.4 feet height

2.6 feet width

Round your answer to 1 decimal place in cubic feet.

Find the volume of the following rectangular box with the dimensions below:

18.2 inches length

15.9 yards height

9.8 meters width

Round your answer to 1 decimal place in cubic feet.

If a drug has a concentration of 6.154 mg per 1.514 mL, how many mL are needed to give 7.86 gram of the drug? Round to 1 decimal.

A certain drug dosage calls for 24 mg per kg per day and is divided into two doses (1 every 12 hours). If a person weighs 100 pounds, how much of the drug should they get each dosage? Round to 1 decimal place.

If the max dose of a drug required is 25 mg/kg each day, how much should a person that weighs 185 lbs get each week total? Round to 1 decimal.

If a person weighs 238 lbs, how much of a dosage should they get every 4 hours if they need to be administered 25.5 mg/kg? Round to 1 decimal.