For 7-9, suppose the ages of people in a group are normally distributed with a
mean of 51.3 years and a standard
deviation of 4.19 years. Use the partial
standard normal table for your answers.
Round answers to the nearest tenth.

7. What percent of people in the group are
no more than 42 years old?
8. What z-score would you use to determine
the percent of people with an age less
than 62 years old?
9. What percent of people in the group are
between 47 and 50 years old?

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter