Answer:
1 and 3 is right and I’m pretty sure 2 is right also.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Calculate z-score firstly
z-score = (x-mean)/SD = (2.75-2.5)/0.25 = 0.25/0.25 = 1
P( x greater than or equal to 2.75) = P(z greater than or equal to 1)
= 1 - p(z <1)
P(z<1) from table = 0.84134
1-p(z<1) = 0.15866 or 15.866%
Answer: he wrote for an five hours and forty-five minutes
Step-by-step explanation:
Answer:
.375
Step-by-step explanation:
((3/4)/1)/2 = 0.375
Hope it helps
Answer: the first answer choice or (6,4)
Step-by-step explanation:
where they intersect