Adult giraffe weights are normally distributed, with a mean of 1,800 pounds and a standard deviation of 400 pounds. approximately what percentage of the adult giraffes weigh more than 2,200 pounds?
84.13%
8.41%
1.59%
15.87%

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Write 17/20 as a decimal and as a percent.