Answer: 246
Step-by-step explanation:
As per given description , we have
Population standard deviation:
Critical value for 95% confidence =
margin of error : E= 2
Formula to find the required sample size : -
Hence, the required minimum sample =246
<em>1.) </em><em>510 miles</em>
<em>Take the values you have been given which is 153 miles and 3 gallons of gas </em>
<em>Now divide 153 by 3 to find put the Miles per gallon (MPG)</em>
<em>153/3=51</em>
<em>now take 51 and multiply it by 10</em>
<em>51x10=</em><em>510</em>
<em>2.) </em><em>$16 per yard of plywood</em>
<em>Let's take the values we have been given </em>
<em>3/4 of a yard of plywood and $12 for it</em>
<em>Now let's divide it </em>
12/ 3/4=$16
Answer:
The volume of the box = 4 x the volume of cubical blocks;
The volume of cubical box = 2^3 = 8 cm3;
The volume of the box = 4 x 8 = 32 cm3;
The correct answer is B 32 cm3;
Step-by-step explanation:
Keeping in mind that there are 5280 ft in 1 mile, and there are 60 minutes in 1 hr and 60 seconds in 1 minute, therefore 60*60 seconds in 1 hr, or 3600 seconds, then.