Answer:

Step-by-step explanation:
Given


Required

This question is an illustration of binomial distribution where:

So, we have:


This gives


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I don’t know the answer to that sorry.
Answer:
Number 1 is false.
Step-by-step explanation:
Answer:
3.9 percent
Step-by-step explanation:
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Answer:
$2.40
Step-by-step explanation:
If we know it is $1.08 to make 18 copies. We can do the math to find the rate of 1 copy. This would be by doing 1.08/18=0.06. So, it costs $0.06 to make 1 copy. Now, multiply that by 40 copies 0.06x40=2.40. The cost of 40 copies is $2.40.