Answer:
Lol answer it on ur own.
Step-by-step explanation:
There are 16 girls and 20 boys.
4 + 5 = 9
36/4 = 9
4 x 4 = 16
4 x 5 = 20
Answer:
h + 2x + 3
Step-by-step explanation:
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