The grades in a particular class are normally distributed so that 99.7% of grades fall into a certain range. The class has a mean grade of 77% and a standard deviation of 3%. Select all grades that fall into this range.

There may be more than one correct answer. Select all that apply.

a. 90
b. 70
c. 68
d. 66
e. 85
f. 88
g. 60

un

Step-by-step explanation:

answer: jasmine will bake 4/3 or 1 1/3 cookies in an hour

step-by-step explanation:

if u add 1/3 every 15 minutes after an hour u will have 4/3 or 1 1/3

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.