Answer:
Confidence interval: (0.04649,0.04913)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 100,000
Number of people who donated, x = 4781
95% Confidence interval:
Putting the values, we get:
is the required 95% confidence interval for the true proportion of their entire mailing list who may donate.
The answer is D, 4/3 x 3.14 x 2^3
Answer:
If the sales tax rate is 7.6%, how much sales tax will you pay on a $330 item?
Step-by-step explanation:
If the sales tax rate is 7.6%, how much sales tax will you pay on a $330 item?
5 shirts for $21
the 6 deal would be $4.25 for each shirt
4 deal would be $4.50 for each shirt
and the 5 deal is the cheapest because its $4.20 for each shirt