She spent 10 minutes. 25% x 40 = 10.
Answer:
The degrees of freedom for this sample are 27.
The sample size to get a margin of error equal or less than 0.3656 is n=4450.
Step-by-step explanation:
The degrees of freedom for calculating the value of t are:
With 27 degrees of freedom and 95% confidence level, from a table we can get that the t-value is t=2.052.
The sample size to get a margin of error equal or less than 0.3656 can be calculated as:
Answer:
is that the whole question? I think it is missing something. Send a picture of it if you can.
Step-by-step explanation:
20.5. I think
Your welcome if right
Sorry if wrong
The correct answer is C. One solution