Assume the variable is normally distributed please put you

Assignment Help Basic Statistics
Reference no: EM13629170

At a large publishing company, the mean age of proofreaders is 36.2 years, and the standard deviation is 3.7 years. Assume the variable is normally distributed. Please put you answer in decimal form. b. If a random sample of 15 proofreaders is selected, find the probability that the mean age of the proofreaders in the sample will be between 36 and 37.5 years

Reference no: EM13629170

Questions Cloud

In a second grade class containing 12 girls and 10 boys 2 : in a second grade class containing 12 girls and 10 boys 2 students are selected at random to give out the math papers.
In many countries in south america chunks of cassava root : in many countries in south america chunks of cassava root containing 65 percent water are dried to 5 percent water then
What power must the pump deliver to the fluid if the : a 35 api distillate at 60 f is to be pumped a distance of 2000 ft through a 4 in. sch 40 horizontal pipeline at a flow
The left compartment is filled with 0050 mole of helium : two equal-volume compartments of a box are joined by a thin wall as shown in the figure. the left compartment is filled
Assume the variable is normally distributed please put you : at a large publishing company the mean age of proofreaders is 36.2 years and the standard deviation is 3.7 years.
A calculate the magnitude of the electric field inside the : a point charge of -2.03 oc is located in the center of a spherical cavity of radius 6.52cm inside an insulating
Nitrogen at 80 kpa and 400 k enters an adiabatic diffuser : nitrogen at 80 kpa and 400 k enters an adiabatic diffuser steadily at a flow rate of 6000 kgh at 230 ms and leaves at
A closed steel bottle contains carbon dioxide at -20 : a closed steel bottle contains carbon dioxide at -20 degrees c x20 and the volume is 0.05 m3. it has a safety valve
If members ac and ab can support a maximum tension of 300 : if members ac and ab can support a maximum tension of 300 lb and 250 lb respectively determine the largest weight of

Reviews

Write a Review

Basic Statistics Questions & Answers

  A population has a mean 72 and standard deviation 12 find

a population has a mean 72 and standard deviation 12. find the mean and standard deviation of a sampling distribution

  A hydraulic punch press is used to punch a slot in a

a hydraulic punch press is used to punch a slot in a 0.70-in.-thick plate. if the plate shears at a stress of 50 ksi

  Time interval between light bulbs

Suppose the time interval between two consecutive defective light bulbs from a production line has a uniform distribution over an interval from 0 to 90 minutes.

  Find probability to find less than five chips in a cookie

The mean number of chocolate chips per cookie is 6.1. What is the probability that she will find less than 5 chips in a particular cookie?

  Confidence interval estimate for the population proportion

In a survey of 750 senior business executives by Business Week magazine, 56% indicated that they felt that even if merit and abilities are equal, people with MBAs often get promoted faster than people without the degree. Prepare a 92% confidenc..

  Example of a misleading correlation

Define correlation. Then give an example of a misleading correlation and an example of a meaningful correlation. With this describe the relationship between correlation and causation.

  One hundred policyholders file claims with stressfree

q1. one hundred policyholders file claims with stressfree insurance. ten of these claims are fraudulent. claims manager

  Find z score for the area under standard normal curve

Find a z score for which the area under the standard normal curve from -z to z is 50%. (b) Find the range of scores which will be assigned a grade of C.

  The data below are sales y in thousands of dollars per week

the data below are sales y in thousands of dollars per week for home improvement outlets in each of four cities. the

  Description of induction proof

Use mathematical induction to prove that : 1*2+2*3+3*4+....+n(n+1)(n+2)/3 for all n >_1 and (2) Find d=gcd (721 , 448), find integers s and t with d=721s + 448t, and put the fraction 448/721 in lowest terms.

  A computer system requires all uses to log on using a 6

a computer system requires all uses to log on using a 6 character password. if each character can be either a digit

  Find out if there is a difference among the income of adults

The following study was developed by Economist Simon Fass. Fass surveyed a sample population of low-income households in St. Martin. The variables analyzed were monthly income per adult and choice of rental contract for housing.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd