2. The scores on a standardized exam are normally distributed with a mean of 245 and a standard deviation of 54. Use technology or a z-score table to answer the questions.
(a) Bailey scored higher than 90% of all other people taking the exam. What was Bailey's approximate score? Round to the nearest whole number.
(b) Approximately what percent of people taking the exam scored between 200 and 300? Round to the nearest whole percent.

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

Which digit in 2,375,699 has a value that is 10 times greater the value of the first digit to its right? a.6 b.7 c.3 d.5

The original if a mountain bike was reduced 125$ if p= the mountain bikes original price in dollars which algebraic expression represents the reduced price