Tomato = 6
lasagna = 3/4tomato
= 4 cups 1/2
There is no thousandth in the number, so add a 0
249,832.330
Answer:
271 people
Step-by-step explanation:
Margin of error = critical value × standard error
At 90% confidence, the critical value is 1.645.
Standard error for a proportion is s = √(p (1 − p) / n).
0.05 = 1.645 √(0.52 (1 − 0.52) / n)
n = 271
