For a normal distribution, what percentage of data falls within one standard deviation of the mean?

The area of a pentagon with a perimeter of 50 inches is 172.05 square inches. True False

Find the domain of fg f (x) = x^2+1 g (x) = 1/x a. all real numbers c. all real numbers, except - 1 b. all real numbers, except 0 d. all real numbers, except 1

The outdoor furniture buys wooden benches for $50 each. The furniture store owner adds 200% markup to the cost of the bench. After hearing from the costumers the selling cost of the bench is too high, the owner changes the markup to 120%.

Captain Ben has a ship, the H. M. S Crimson Lynx. The ship is four furlongs from the dread pirate Umaima and her merciless band of thieves. If his ship hasn't already been hit, Captain Ben has probability 3/4 of hitting the pirate ship.

Find the standard deviation for the group of data items. 1111 , 1212 , 1313 , 1414 , 15

In an Algebra II class with 135 students, the final exam scores have a mean of 72.3 and standard deviation 6.5. The exams on the exams are whole numbers, and the grade pattern follows a normal curve. a.

What is the approximate area of the circle shown below 9.4cm

What is 56 * 56 equals 256?

Use the values in the table to determine the slope

Use the table provided to determine the total amount paid on a 30 year fixed loan, at 6.0%, of $75,000. $162,000 c. $143,820 b. $153,750 d. $133,250