Answer:
20%
Step-by-step explanation:
1000/1250=0.8
1000 is 80% of the original price
therefore the percentage loss is 20%
Answer:
See explaination and attachment
Step-by-step explanation:
Given the parameters we have, we want to Construct a 90% confidence interval for the true mean of the population.
Hence, making use of these parameters;
sample size =100
Std deviation =25
mean if the sample=253.
Therefore solving for 90% confidence interval for the true mean of the population. We will apply a formula.
Please kindly check attachment gor the step by step solution for all the questions.
Answer:

Step-by-step explanation:
I hope I helped you! :)
Answer:
(x+2)(x-8)
Step-by-step explanation: