Answer:
115
Step-by-step explanation:
<h2><u>Solving the question</u></h2>
= (3*5 + 2) + (3*6 + 2) + (3*7 + 2) + (3*8 + 2) + (3*9 + 2)
<u>= 115</u>
Answer:
the answer is 40.5
Step-by-step explanation:
your welcome
Answer:
n=40 boys
Step-by-step explanation:
-Margin of error is given by the formula:
-The z score for a probability of 92% is 1.75
#We make n the subject of the formula and substitute at a 92% confidence:
Hence, he needs approximately 40 boys for the study
the unit price per pound is $3.45