Suppose that, on average, teachers in Corpus Christi, Texas earn approximately $54,000 per year. Assume that the distribution for yearly earnings is normal and that the standard deviation is $12,000. What is the probabiltiy that the average salary of four randomly selected teachers in Corpus Christi's salaries exceeds $60,000 per year.

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

step-by-step explanation:

1

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.