Answer:
$13,230
Step-by-step explanation:
you need to multiply the cost of the ticket by the amount of tickets sold,
630 x 21 = $13,230
14 and the remainder is 3
What do you need help with I cant help if I don't know what problems to solve
Answer: 
Step-by-step explanation:
Since, According to the question,
The chance of finding a bug in a program = 18%
Thus, the probability of finding the bug in first attempt = 
⇒ The probability of not finding any bug in first attempt = 
Similarly, in second attempt , third attempt, fourth attempt_ _ _ _ _ tenth attempt, the probability of not finding any bug is also equal to 
Thus, the probability that she does not find a bug within the first 10 programs she examines
= 
= 