Answer:
Step-by-step explanation:
a) Find answer in the attachment below
b) Interpretation
- we are 90% sure that the interval contains the true population mean
- if a large number of samples in collected , and a confidence interval is created for each sample, 90% of these intervals were contained through mean.
c) this has not been clearly described in the question but basically , values too far away from mean will be deemed suspicious and will definitely be audited.
5-1=4
96-48=48
48/4=$12 per lesson
time to check
8-5=3
132-96=36
36/3=$12 per lesson
ok next to the equation
48-(12*1)=36
the equation will be y=12x+36
50 for £15 - change all tickets into same number and times the money by the amount the tickets go into the numbers
Answer:
this equation id 2=0 meaning no solution
Step-by-step explanation: