Find probability that mean age of doctors is less

Assignment Help Basic Statistics
Reference no: EM13126007

The average age of doctors in a certain hospital is 51.0 years old with a standard deviation of 10.0 years. If 9 doctors are chosen at random for a committee, find the probability that the mean age of those doctors is less than 53.00 years. Assume that the variable is normally distributed.

Reference no: EM13126007

Questions Cloud

Explain mass of nitrogen : Mass of nitrogen, Suppose 5.0 liters of Nitrogen (diatomic) is at a temperature of 40 degrees C and a pressure of 1.5 ATM
Description of permutations : How many six-digit even numbers less than 200,000 can be formed using all the digits 1, 1, 2, 2, 3 and 5? How many permutations of the letters in the name ABBA are there?
Clarify theft is one of the biggest problems for consumers : Clarify theft is one of the biggest problems for consumers in e-commerce. Can businesses also be victims of identity theft in e-commerce?
How attitudes are formed and influenced : Write a discussion on how attitudes are formed and influenced. Describe how individual and group behaviors are affected by society. Explain the three main components of attitudes and how they are affected through persuasion, conformity, and biases.
Find probability that mean age of doctors is less : Find the probability that the mean age of those doctors is less than 53.00 years. Assume that the variable is normally distributed.
What is the appropriate transfer price : Hawkeye Enterprises runs a chain of drive-in ice cream stands in Iowa City during the summer season. What is the appropriate transfer price?
What is the molecular formula of a compund that contains : Molecular Formula of a Compound from Percent Composition and Molar Mass, What is the molecular formula of a compund that contains 42.87%carbon, 3.598% hydrogen, 25.00% nitrogen
What is the molarity of the solution : A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
How large of sample be studied to be accurate : How large of a sample should be studied if the standard deviation from a previous study was 26 cents and he wants his estimate to be accurate to within 15 cents?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining p-value and critical value

Assume that the significance level is a= 0.1. Use the given information to find the p-value and the critical value (s). With H1: p = with line through it 1/2 the test statistic is z= - 1.35

  Information about statistics-test statistic

In recent year, of the 109,857 arrest fro federal offenses, 29.1% were for drug offenses. Use a .01 significance level to test the claim that the drug offense rate is equal to 30%.

  One factor analysis of variance

Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were tested for each of the paints.

  Significance of holy days on chart

Review the Christian year pie chart and write a summary in which you (a) describe the significance of the holy days on the chart.

  Assignment of estimating the mean net weight of packages

A state meat inspector in lowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled " 3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds.

  Determine the standard error of estimate

Which represent errors of estimation for individual points, an alternative way to examine the error of the regression model using a single measurement is to determine the sum of all the residuals.

  Confidence-interval level

Increasing the confidence-interval level from .95 to .99

  Risk neutral probability and value of call option

A stock price is currently $100. Over each of the next two three-month periods it is expected to increase by 10% or fall by 10%. Consider a six-month European call option with a strike price of $105.

  Conducting one-sample t-test

Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from "The Collection from the Best of Classical Music."

  How many different starting lineups are possible

Three scholarships are available for students.  Their values are: $2,000, $2,400, $3,000.  Twelve students have applied and no student may receive more than one scholarship.  Assume all twelve students are in needs of the funds, how many different..

  T-distribution and z-distribution

What is the difference in appearance between a t-distribution and a z-distribution? Why do they have slightly different appearances?

  Find sum of the squares of observations

Given that the mean of 100 observations is 42.5 and that their standard deviation is 6.313, find the sum of the squares of the observations.

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