Answer:
x=0.2
Step-by-step explanation:
2/5=0.4
0.4-0.2=0.2
Z+22/z = 12
z+22=12z
22=11z
2=z
Hope this helps. Just say if you need more of an explanation.
Answer:
3.113, 4.507
Step-by-step explanation:
From the given values:
Mean = 3.81
Standard deviation = 1.74
Therefore
M = √(1.72/18) = 0.4
μ = M ± t(sM)
μ = 3.81 ± 1.74*0.4
μ = 3.81 ± 0.697
Recall that the mean is estimated at 90% confidence level,
Hence,
= 90% CI [3.113, 4.507]
Answer:
no
:3
Step-by-step explanation:
Answer:
1 dozen because he doesnt have enough for 2 dozen unless he has 9 more dollars
Step-by-step explanation:
can i have brainliest
