[SOLVED] Can someone help with 8 question midterm

I’m studying for my Statistics class and don’t understand how to answer this. Can you help me study?

Struggling to find relevant content? Order a custom essay on
[SOLVED] Can someone help with 8 question midterm
Let our experts save you the hassle
Order Now

The following shows the temperatures (high, low) and weather conditions in a given Sunday for some selected world cities. For the weather conditions, the following notations are used: c = clear; cl = cloudy; sh = showers; pc = partly cloudy.

  1. How many elements are in this data set?
  2. How many variables are in this data set?
  3. How many observations are in this data set?
  4. Name the variables and indicate whether they are categorical or quantitative.

Question 2

A student has completed 20 courses in the School of Arts and Sciences. Her grades in the 20 courses are shown below.

  1. Develop a frequency distribution and a bar chart for her grades.
  2. Develop a relative frequency distribution for her grades and construct a pie chart.

Question 3

The number of hours worked per week for a sample of ten students is shown below.

  1. Determine the median and explain its meaning.
  2. Compute the 70th percentile and explain its meaning.
  3. What is the mode of the above data? What does it signify?

Question 4

You are given the following information on Events A, B, C, and D.

  1. Compute P(D).
  2. Compute P(A ? B).
  3. Compute P(A | C).
  4. Compute the probability of the complement of C.
  5. Are A and B mutually exclusive? Explain your answer.
  6. Are A and B independent? Explain your answer.
  7. Are A and C mutually exclusive? Explain your answer.
  8. Are A and C independent? Explain your answer.

Question 5

  1. When a particular machine is functioning properly, 80% of the items produced are non-defective.
  2. If three items are examined, what is the probability that one is defective?
  3. Use the binomial probability function to answer this question.

Question 6

The average starting salary of this year’s graduates of a large university (LU) is $20,000 with a standard deviation of $8,000. Furthermore, it is known that the starting salaries are normally distributed.

  1. What is the probability that a randomly selected LU graduate will have a starting salary of at least $30,400?
  2. Individuals with starting salaries of less than $15,600 receive a low income tax break. What percentage of the graduates will receive the tax break?
  3. What are the minimum and the maximum starting salaries of the middle 95.4% of the LU graduates?

Question 7

A simple random sample of 6 computer programmers in Houston, Texas revealed the sex of the programmers and the following information about their weekly incomes.

  1. What is the point estimate for the average weekly income of all the computer programmers in Houston?
  2. What is the point estimate for the standard deviation of the population?
  3. Determine a point estimate for the proportion of all programmers in Houston who are female.

Question 8

Students of a large university spend an average of $5 a day on lunch. The standard deviation of the expenditure is $3. A simple random sample of 36 students is taken.

  1. What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean?
  2. What is the probability that the sample mean will be at least $4?
  3. What is the probability that the sample mean will be at least $5.90?

Calculate the price
Make an order in advance and get the best price
Pages (550 words)
$0.00
*Price with a welcome 15% discount applied.
Pro tip: If you want to save more money and pay the lowest price, you need to set a more extended deadline.
We know how difficult it is to be a student these days. That's why our prices are one of the most affordable on the market, and there are no hidden fees.

Instead, we offer bonuses, discounts, and free services to make your experience outstanding.
Sign up, place your order, and leave the rest to our professional paper writers in less than 2 minutes.
step 1
Upload assignment instructions
Fill out the order form and provide paper details. You can even attach screenshots or add additional instructions later. If something is not clear or missing, the writer will contact you for clarification.
s
Get personalized services with GPA Fix
One writer for all your papers
You can select one writer for all your papers. This option enhances the consistency in the quality of your assignments. Select your preferred writer from the list of writers who have handledf your previous assignments
Same paper from different writers
Are you ordering the same assignment for a friend? You can get the same paper from different writers. The goal is to produce 100% unique and original papers
Copy of sources used
Our homework writers will provide you with copies of sources used on your request. Just add the option when plaing your order
What our partners say about us
We appreciate every review and are always looking for ways to grow. See what other students think about our do my paper service.
Nursing
Looks good. Thank you!!
Customer 452525, April 27th, 2022
Nursing
Great paper!
Customer 452707, July 1st, 2022
Mental Wellness
The skilled writer did a good job. I will add a few more details. Thank you, great job...
Customer 452547, June 17th, 2021
English 101
I'm glad i came to you guys
Customer 452519, May 11th, 2021
Social Work and Human Services
Great Work!
Customer 452587, August 31st, 2021
Nursing
This is great! Thank you
Customer 452679, December 16th, 2021
Nursing
The writer went above and beyond for this assignment. I am so grateful for the help.
Customer 452707, August 19th, 2022
Wellness
The skilled writer did a great job on assignment!! Thank you!!
Customer 452547, June 16th, 2021
Nursing
They research and provide the best and up-to-date information..
Customer 452707, June 27th, 2023
Nursing
They so amazing work!!
Customer 452707, January 29th, 2023
Nursing
Excellent as usual. Thank you!
Customer 452707, June 24th, 2023
Web programming
thank you so much. This was very helpful and I was able to understand the assignment better after seeing it completed.
Customer 452715, September 22nd, 2022
OUR GIFT TO YOU
15% OFF your first order
Use a coupon FIRST15 and enjoy expert help with any task at the most affordable price.
Claim my 15% OFF Order in Chat

Good News ! We now help with PROCTORED EXAM. Chat with a support agent for more information