Answer:
$1.70
Step-by-step explanation:
If $8.50 is for 5 ounces divide both sides by 5. 5/5=1 and 8.50/5 is 1.70. So $1.70 is the price per ounce.
Unit rate if the price of 1, to find this divide total cost by quantity:
5.79 / 36 = $0.16 each
The answer is 3. the number before the decimal is the whole number. if the number after the decimal is smaller than 4, round down and if the number after the decimal is greater than 5 then round up.
Answer:
Option A
Step-by-step explanation:
Given information:


Using the given information we get


The formula for confidence interval for the difference of proportions is

From the standard normal table the value of z* at 5% confidence interval is 1.96.
Substitute the given values in the above formula.






Therefore, the correct option is A.