The angiogram is a standard to detect stroke in patients. this test ha diagnostic test used in clinical medicine for the patient, and s some risks that are hoped to be the angiogram. one such method utilizes that several noninvasive techniques have been develope as efectve a erbral blood flow (cbf) in the brain, since stroke measurement of ral bloo patients tend to have lower levels of cbf than normal. among health people, cbf is normally distributed with mean 75 and standard deviation 17. patients are classified as being at risk for stroke if their cbf is below 40. what proportion of normal patients will be mistakenly classified as being at risk for stroke?

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true