Answer:
b and e
Step-by-step explanation:
Answer: The area is 201.06
Answer: 40%
Step-by-step explanation: 100 ÷ 5 = 20 so 20 × 2 = 40
The roasting time for a 12 pound turkey is 3 hours
Answer: A. 664
Step-by-step explanation:
Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.
But there is no information regarding the population proportion is mentioned.
Formula to find the samples size , if the prior estimate to the population proportion is unknown :

, where E = Margin of error.
z* = Two -tailed critical z-value
We know that critical value for 99% confidence interval =
[By z-table]
Margin of error = 0.05
Then, the minimum sample size would become :

Simplify,

Thus, the required sample size= 664
Hence, the correct answer is A. 664.