√v/nh = r
Divide v by nh
Square root answer
Answer:
We are given:
Confidence level = 99%. Therefore, the critical value at 0.01 significance level using the standard normal table is given below:

Margin of error is given in the question as:

Since the previous proportion is not given, therefore, we need to assume 
Therefore, the sample size is:




Therefore, 664 sample observations are required.
Answer:
Step-by-step explanation:
<u>There are total cadies in the bag:</u>
<u>Probability of pulling a coffee candy is:</u>
So each 5th candy should be coffee candy
<u>Then you need to pull at least:</u>
<em><u>Note:</u></em>
<em><u>To ensure 3 coffee candies you would need to pull 25 - 2 = 23 candies</u></em>
24 is B
And 25 is B
Need explaining comment.