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Handwritten Solution in 60 min

Handwritten Solution in 60 min

Handwritten Solution in 60 min

Handwritten Solution in 60 min

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Math homework help

Math homework help

(5 points) Choose a population and a quantitative variable which isapproximately normally distributed within this population. Clearlystate your choices in a few sentences.2. (20 points) Justify why your variable is normally distributed within itspopulation in a few sentences.3. (15 points) Guess a value for the population standard deviation σ.Justify your guess in a few sentences.4. (20 points) Collect a simple random sample of 20−30 individuals fromyour population. Give a detailed description of your sampling methodand justify why it is a simple random sampling method in one to twoparagraphs.5. (30 points) Compute z-confidence intervals using your sample data,guess of σ, and confidence levels of 90%, 95%, and 99%. Your workshould include the value of ̄x, your z∗-value for each confidence level,and the actual intervals themselves.6. (10 points) Explain what these three confidence intervals together tellyou about the value of the population mean μ. Justify your answer inone to two paragraphs.

Quantitive Analysis

Quantitive Analysis

Questions 2 and 3 are based on these facts. Bobby Mae Hasbrook Huffelpuffer is one top sales people at “You Want
It We Got It, Inc.” Ms. Hufflepufer intends to visit three prospects today. She will visit Prospects 1, 2 and 3 in order,
but does not know what time of the day. Visiting during lunch-time can be problematic because she Ms. Huffelpuffer
knows that many people leave the office to get their food. She would also prefer not to visit right after lunch because
she knows some people may be sleepy and unable to pay close attention to what she has to say. Visiting at the end of
the day can also be an issue because people are always in a rush to leave and she has to pick up her twins from daycare
at 5:30 PM across town. Ms. Huffelpuffer estimates that the chance of making a sale on the visit with Prospect 1 is
about 30%. The visit with Prospect 2 has about a 40% chance of resulting in a sale and she hopes the prospect is not
eating lunch. The visit with Prospect 3 has about 50% more of a chance of making a sale than the chance with Prospect
1 because Ms. Hufflepuffer knows the receptionist very well. The visits are independent, and the company’s new
MBA just told Ms. Huffelpuffer that based on her records of prior prospect visits there is a correlation between the
length of the visit and likelihood of a sale.
2. Construct a probability tree to produce the full probability distribution for the random variable
“number of sales”.
3. Compute the expected number of sales and the standard deviation of the sales distribution

hypothesis testing !!!!

hypothesis testing !!!!

Use the data in the excel file to determine the probability that two given hypothesis are true (just look at the data, please don't care about the answer of my assignment below the data）two hypothesis are:gender is a problem in term of salarygender is a problem in term of departmentPlease explain the question solving process and ideas in detail, because I need to give a speech on these two questions. Thank you!!!

Strayer University Marriage and Work Summary

Strayer University Marriage and Work Summary

Write a two to three (2-3) paragraph summary in which you:First, consider Lisa's savings. She began working at age 20 and began making an annual contribution of $2,000 at the first of the year beginning with her first year. She makes 13 contributions. She worked until she was 32 and then left full time work to have children and be a stay at home mom. She left her IRA invested and plans to begin drawing from her IRA when she is 65

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