Answer:
True cost of the microwave is in 99% confidence interval: 
Explanation:
Relevant data:

As we want to know the 99% confidence interval, the significance level is:

We need to estimate a confidence interval by a two tailed normal bell. Then we have:

The z-value for a probability of 0.005 in a normal standard distribution is 2.576
Confidence interval is given by;:


True cost of the microwave is in 99% confidence interval: 
Answer:
huh?no one's got time to write an essay for you
Answer:
Crowdsourcing technique.
Explanation:
Crowdsourcing involves collection of information from a group of people that have relevant input in a subject, and is usually done over the internet. It allows business save money because the feedback is usually lowcost or free, and saves time.
Threadless by allowing people submit their own designs and vote on what designs they would like to see on T-shirts, are using crowdsourcing to get feedback and ideas from the public.
Based on the information given the wall is an example of a(n) physical barrier.
Physical barrier is barrier that block or obstruct the flow of communication thereby making it difficult for the receiver to hear.
Physical barrier can tend to lead to ineffective communication between two or more people due to the disruption of failure in communication that occur as a result of the barrier.
Wall is an example of physical barrier as they can prevent effective communication thereby by making it hard for the receiver to hear what the sender communicated to him or her.
Inconclusion the wall is an example of a(n) physical barrier.
Learn more about physical barrier here:brainly.com/question/902393
Answer:
Decrease by $ 186,000
Explanation:
Variable Mfg. Cost $ 270
Variable Marketing $ 100 + increased by 2 per unid = $ 102
Total Variable $ 372
NOW Sales Price $ 310
Less Total Variable Cost 372
= Contribution Margin $ -62
Times units sold × 3000
= losses $ 186,000