I hope that works? i also tried to solved it and i got the same thing i just checked it and it said i got it right.
Assuming f(x) is the cost and X is the number of months.
f(x)=2x+40
Answer: 8
because its going up by 8
8+8=16
16+8=24
24+8=32
8,16,24,32
Answer:
3.73 ( The three is infinite)
Step-by-step explanation:
Margin of error is important in determining the probability as it gives realistic data for the distribution. The formula to be followed for margin of error is m% = z* sqrt (p*(1-p))/n where p is the % positive outcome, n is the sample size and z* is a constant dependent to % confidence level. Substituting, m% = z* (0.03). Level of confidence is not given but assuming at95% CF, m% = 6%