This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Random samples of size 36 are taken from a process (an infinite population) whose mean and standard ... (Read 212 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Jun 24, 2018
Random samples of size 36 are taken from a process (an infinite population) whose mean and standard deviation are 20 and 15, respectively. The distribution of the population is unknown. The mean and the standard error of the distribution of sample mean are _____.
 a. 36 and 15
  b. 20 and 15
  c. 20 and 0.417
  d. 20 and 2.5

Question 2

A life insurance company has determined that each week an average of 7 claims is filed in its Nashville branch.
 a. Define the random variable in words for this experiment.
  b. What is the probability that during the next week exactly 7 claims will be filed?
  c. What is the probability that during the next week no claims will be filed?
  d. What is the probability that during the next week fewer than 4 claims will be filed?
  e. What is the probability that during the next week at least 17 claims will be filed?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmin

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a. x = the number of claims filed in a one-week period
b. .1490
c. .0009
d. .0818
e. .0010


ss2343

  • Member
  • Posts: 548
Reply 2 on: Jun 24, 2018
Excellent

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
Population and Settlement Population and Settlement
Poverty and population growth Poverty and population growth
The population of Asia increases rapidly, the demand for food and water is also growing The population of Asia increases rapidly, the demand for food and water is also growing
Facet of superior articular process Facet of superior articular process
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library