Answer:
test stat=1.7986
p value =0.0391
Step-by-step explanation:
given
n=50
d = 7.3
s d = 28.7
formula to calculate test statistic
t=
⇒ t=
⇒t=1.7986
for 49 df and t=1.7986 ,p value can be obtained from software
p value=0.0391
well you have to see how far they have gotten after 4 hours. so 4*40=160 50*4=200. since it was opposite directions you add. so 160+200=360.
Answer:
287.9
Step-by-step explanation:
4 or less let it rest 5 or more add one more
Answer:
$105
Step-by-step explanation:
$15 for one case of snicker bars. Since it's $30 for 2. He needs 140 so 140 divided by 20(which is in one case) = 7. So he needs 7 cases to have 140 snicker bars. Well, if each case itself is $15 and we need 7 cases. 7 times 15= 105. It's going to cost him $105 to fill that vending machine.
Answer:
<em>im pretty sure its −
x + 16
y</em>
Step-by-step explanation:
