Answer:
I'm pretty sure the answer is A.
Step-by-step explanation:
A has the correct formula, all you have to do is plug in 8 for x. 1.03^8 = 1.26677008139. 1.26677008139 * 10 is 12.6677008139 which rounds up to 13.
I deeply apologize if that answer is wrong.
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13x - 21x - 7 = 63
- 8x = 70
x = - 8.75
Answer:
P = 0.001625
yes, it did
Step-by-step explanation:
given data
affective ones = 2%
spark plugs = 8000
defective = 13
to find out
experimental probability that the next sparkplug will be defective and Did the mannufacturer reach its goal
solution
we know that there are 13 are defective out of 8000
so P = 13 ÷ 8000
P = 0.001625
so that P( the next sparkplug will be defective) is = 0.001625
and
yes, we mannufacturer to reach goal
because 0.001625 < .02
So, the goal is reached as the experimental probability is less than 2%