Answer:
see image below
Step-by-step explanation:
Z = (x - mu)/sigma
z = (6.19 - 3.77)/3.39
z = 0.71386430678467
z = 0.71
The approximate z score, rounded to two decimal places, is 0.71
Has to be 128, that’s 80 times 1.6 but I’m lazy and 80 times 2 would be 160... so it’s 128
Answer:
I got x=180
Step-by-step explanation:
that should be right