The amount of cashew nuts per packet (), sold by a company, can be modelled using a normal random variable with a mean of 115.0 grams and a variance of 4.0 grams. Determine the probability that the amount of cashew nuts, in a randomly selected packet sold by this company, is:
(a) more than 113 grams; (5 marks)
(b) between 117.5 grams and 120 grams. (5 marks)

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

8

step-by-step explanation:

step-by-step explanation: