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 289 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

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Bone fractures that occur before death show signs of healing. The process of fracture healing starts Bone fractures that occur before death show signs of healing. The process of fracture healing starts
Projected Ethnic Changes in U.S. Population to 2050 Projected Ethnic Changes in U.S. Population to 2050
Population and Settlement Population and Settlement
Population size, 1970 - 2050 Population size, 1970 - 2050
Time vs. USA Population Exponential Time vs. USA Population Exponential
What are the concentrations of Cr?+ and OH after the precipitation process is complete? What are the concentrations of Cr?+ and OH after the precipitation process is complete?
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library