Answer:
A) 0.0618
Explanation:
Variance is given by:

Where 'Xi' is the value for each term 'i' in the sample of size 'n' and μ is the sample mean.
The mean investment return is:

The variance is:

The variance of the returns on this investment is A) 0.0618.
Complete Question:
Nathan manages a website that sells bicycles. He's using a Google Ads Display campaign to drive purchases in that segment, and chooses In-Market audiences as his targeting option. What's the advantage In-Market audiences gives Nathan in reaching his marketing goals?
- Reaches users based on their lifestyles, interests, and passions.
- Shows ads to users based on a combination of declared and inferred data.
- Connects him with audiences most interested in what he has to offer.
- Finds users that are similar to an original remarketing list.
Answer:
The advantage In-Market audiences gives Nathan in reaching his marketing goals is Connects him with audiences most interested in what he has to offer.
Explanation:
The advantage of a target reach lies in Nathan's ability to connect him to the motorcycle sales on the website.
He will accelerate sales in that category with the Google Advertising Show plan.
With specific segments which identify users based on their demonstrated consumer behaviour and purpose, you can connect with people who are most interested in what you can give.
I believe the answer is B because unions serve to protect workers' rights
Answer:
Days of receivable will be 75 days
Explanation:
We have given net credit sales = $1200000
Net account receivable at the beginning = $290000
And receivable at the ending = $201000
Average receivable 
Now receivables turnover ratio 
Days of receivables = 