A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of three b) What is the probability that a score is no
more than 79?
c) About how many scores fell between one
standard deviation of the mean?

step-by-step explan mxfcg'k; uafwgzfgjhklhgation:

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

0.50 , 0.75

step-by-step explanation: