What is the probability that a random sample

Assignment Help Mathematics
Reference no: EM13121366

Question about Probability and Standard Deviation

A Recent survey indicates that the average salary of all entry-level women managers in St. Paul is $56,700 with a standard deviation $7,200. What is the probability that a random sample of 50 such women will yield a mean entry-level that exceeds $58,000?

Reference no: EM13121366

Questions Cloud

Amount of differential cost increase or decrease : If 15,000 units of the part are normally purchased during the year but could be manufactured using unused capacity, what would be the amount of differential cost increase or decrease from making the part rather than purchasing it?
What is the equilibrium concentration of n2 : An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
Domain of quadratic functions : What is the domain of a quadratic function? Can you give an example please.
Fcfs-spt and edd rules : Develop separate schedules by using the FCFS,SPT and EDD rules. Compare the schedules on the basis of average flow time,the average early time and average past due hours for any order.
What is the probability that a random sample : What is the probability that a random sample of 50 such women will yield a mean entry-level that exceeds $58,000?
What is the percent by mass of silver nitrate in this soln : A 93 gram solution of silver nitrate contains 16 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
Margin of safety expressed in dollars : A company with a break-even point at $900,000 in sales revenue and had fixed costs of $225,000. When actual sales were $1,000,000 variable costs were $750,000. Determine (a) the margin of safety expressed in dollars, (b) the margin of safety expre..
Dangers/risks of scientific or technological progress : What are the dangers/risks of scientific or technological progress?
Write the importance of pretesting questions and instruments : What is the importance of pretesting questions and instruments? What are risks of not doing this? Provide an example.

Reviews

Write a Review

Mathematics Questions & Answers

  Find the mean score

Find the mean score

  Mean and variance of a probability distribution

Mean and Variance of a Probability distribution, A bank keeps tracks of customers coming into the bank between 12 Noon and1 PM on Monday.

  Determine the center and radius of the circle equation

Find the equation of the perpendicular bisector of the line drawn between two points and determine the center and radius of the circle equation.

  What is the probability that this person used steroids

A particular test for the presence of steroids is to be used after a professional track meet. If steroids are present, the test will accurately indicate this 95% of the time.

  Find the probability of a bag

Find the probability that a bag of fertilizer will weigh between 45 and 55 pounds?

  Explain poisson distribution- birth-death process

Poisson Distribution: Birth-Death Process. The McDougal Sandwich Shop has two windows available for serving customers, who arrive at a Poisson rate of 40/hr. Service time is exponentially distributed with a mean of 2 min.

  Predict the sales price for 30 year old customer

Predict the sales price for 30 year old customer, who has a $40000 income and a 7 year old car.

  Test the hypothesis for single proportion

Test the hypothesis for single proportion.

  Problems on linear regression equation

Problems on linear regression equation

  Solve a numerical method

Solve a numerical method - Euler methods and Compare with the exact solution

  Find probability of arrival

Probability of Arrival, A market in Boston orders oranges from Florida. The oranges are shipped to Boston from Florida by either railroad, truck, or airplane

  Confidence interval for standard deviation of ounces coffee

Find the  ninety-five percent  confidence interval for the standard deviation of the ounces of coffee that a machine dispenses in 12-oiince cups. Suppose the variable & normally distributed.

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