Can someone please help me on this problem?

$5820.10

Step-by-step explanation:

formula:  

n = 243

= 117(38.941)+ 1264

                           = 4556.097 + 1264

                            = 5820.10

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for