1-4_example1 - Student Grady Sinlonton Colu'se 1-Iat11119...

Unformatted text preview: Student: Grady Sinlonton Colu'se: 1\-Iat11119: Elementary Statistics - Spring 2010 - C‘RN: 49239 Instructor: Shawn Pan-'ini - 16 weeks Date: 3.-"'18.-"'10 Book: T1‘iola: Elementary Statistics. Me Time: 10:52 AM 11 3. Convert the fraction 5 to an equivalent percentage. b. Convert 63.5% to an equivalent decimal. c. What is 82% of 50‘:l (1. Convert 0.261 to an equivalent percentage. 3. To convert from a fraction to a percentage, divide the denominator into the numerator to get an equivalent decimal number, then multiply by 100 and affix the % symbol. First, divide the numerator by the denominator. 11 — = 0.55 20 Now multiply by 100%. 0.55 X 100% = 55% 1] Thus, 5 is equivalent to 55%. b. To convert from a percentage to a decimal number, delete the % symbol and divide by 100. Divide by 100. 63.5 635V = — = 0.635 ° 100 Thus, 63.5% is equivalent to 0.635. c. To find some percentage of an amount, drop the % symbol and divide the percentage value by 100, then multiply. First, divide by 100. 82 82% of 50 _ X 50 — 100 82 — 0.82 100 2 Now multiply by 50. 0.82 X 50 = 41 Thus, 82% of 50 is 41. d. To convert from a decimal to a percentage, multiply by 100%. Page 1 Student: Grady Sinlenten Course: 1\-Iat11119: Elenlentaiy Statistics - Spring 3010 - C‘RN: 49339 Instructor: Shawn Pan-'ini - 16 weeks Date: 3.-"'18.-"'10 Book: T1‘iela: Elenlentaiy Statistics. 11e Time: 10:53 AM Multiply by l00%. 0.261 X 100% = 26.1% Thus, 0.261 is equivalent to 26.1%. Page 3 ...
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