Answer:
The sample size required is 2500.
Step-by-step explanation:
z-score:
In function of the margin of error M, the z-score is given by:

In this question, we have that:

So






The sample size required is 2500.
In the monthly payment formula r is the percentage rate as a decimal.
To turn a percentage into a decimal, move the decimal point 2 places to the left.
5.7% becomes 0.057
The answer is Johnny. You can conclude from the first sentence of your question. It is stating that Johnny's mother has three children. Johnny is included in the three children. So, the third child's name was Johnny!
Thank you! :D
B, because you can't get the square root of a negative number
Answer:
660 people
Step-by-step explanation:
48% people prefer thick pizza
1 375 people x 48% = 660