When 440 junior college students were surveyed, 200 said they have a passport. Construct a 95% confidence interval for the propo
rtion of junior college students that have a passport.
1 answer:
Sample proportion: 190/425 = 0.45
ME = 1.96*sqrt[0.45*0.55/425] = 0.047
-----
95% CI: 0.45-0.047 < p < 0.45+0.047
You might be interested in
Answer:61 and 39
Step-by-step explanation:

hey hope this helps
Answer:
$75.6
Step-by-step explanation:
Multiply the model car's price by 105% (or 1.05) to find the total price.
$72 * 105% = $75.6.
Basically you just divide:
123/3 = 41
So the sale price of the coat would be $41