Answer:
The option B is True
Step-by-step explanation:
Solution
nA < nB
Thus
1/√nA > 1/√nB
SD/√nA > SD/√nB
So,
SE (A) > SE (B).......(1)
Zα/2 SE (A) > Zα/2 SE (B)
Now
E (A) > E(B) this is the margin error
Since SE fro sample A is larger than SE for sample B
We have that,
The length = ZE
Therefore, option B is correct because here, we know that as the sample size increases or goes higher the length of the confidence interval decreases
In this case, the sample size is large for B then A.
Thus, the length of confidence interval based on A is larger than the length of confidence interval Based on B Since SE is large For A than B
Answer:
10 inches
Step-by-step explanation:
Ummm 1 · 10 = 10
- Principal=P=$2
- Rate of interest=8%=R
- Time=T=10years
Interest be I
Now
Value of coin after 10years =2+2.8=<u>4</u><u>.</u><u>8</u><u>$</u>
So 70 students had bought lunch because 70% of 100 is 70. Now take away 60% of that and you get 42.
