Answer:
This is false.
Explanation:
Diversification is An investment strategy that includes a mixture of a wide variety of investments from different categories within a portfolio.
A well diversified portfolio does not need 3 to 5 stocks from different categories instead A well-diversified portfolio needs about 20-25 stocks from various categories.
Answer:
Project planning plays an essential role in helping guide stakeholders, sponsors, teams, and the project manager through other project phases. Planning is needed to identify desired goals, reduce risks, avoid missed deadlines, and ultimately deliver the agreed product, service or result.
Explanation: The key in planning is to look at each of the knowledge areas below and make sure you and your team will address each of these areas in ways that will help reach all the end goals.
Communications
Costs
Human resources
Procurement
Quality of deliverables
Business requirements
Risks
Schedules
Project scope
Stakeholders
The key to a successful project is in the planning. Creating a project plan is the first thing you should do when undertaking any project.
Often project planning is ignored in favor of getting on with the work. However, many people fail to realize the value of a project plan for saving time, money and many problems.
B. Serena should focus on a certain amount and track her spending
The quantity of traveling by train would change by 28%.
Cross-price elasticity measures how the quantity demanded of a good is affected by changes in the price of another good.
Cross price elasticity = percentage change in the quantity demanded of good A / percentage change in the price of good B.
0.7 = percentage change in the quantity of traveling by train / 40%
Percentage change in the quantity of traveling by train = 40 x 0.7 = 28%
To learn more about cross price elasticity, please check: brainly.com/question/26035503