Find the probability that the mean age of a sample of 25

Assignment Help Basic Statistics

Reference no: EM13615374

The average annual age of doctors in a certain hospital is 44.0 years old with a standard deviation of 4.0 years. Assume that the variable is normally distributed.

(a) Find the probability that the age of a randomly selected doctor is less than 44.32 years.

(b) Find the probability that the mean age of a sample of 25 randomly selected doctors is less than 44.32 years.

(c): Why is there a difference in the two answers?

Reference no: EM13615374

Questions Cloud

A 20-kg package is at rest on an incline when a force p is : a 20-kg package is at rest on an incline when a force p is applied to it. determine the magnitude of p if 10 s is

A damped harmonic oscillator consists of a block m 200 kg : a damped harmonic oscillator consists of a block m 2.00 kg a spring k 10.0 nm and a damping force the is linearly

According to chebychevs theorem what percentage of a : according to chebychevs theorem what percentage of a distribution will be within k 3.2 standard deviations of the

Use the binomial table to find the numerical value of alpha : a two-stage clinical trial is planned for for testing h0 p0.10 versus ha pgt0.10 where p is the proportion of

Find the probability that the mean age of a sample of 25 : the average annual age of doctors in a certain hospital is 44.0 years old with a standard deviation of 4.0 years.

Two sound waves from two different sources with the same : two sound waves from two different sources with the same frequency 508 hz travel in the same direction at 347 ms. the

Michael sullivan son of the author decided to enroll in a : michael sullivan son of the author decided to enroll in a reading course that allegedly increases reading speed and

If this heat engine and the carnot engine do the same : a heat engine operating between a hot reservoir at 500c and a cold reservoir at 0c is 65 as efficient as a carnot

The high school dropout rate in the state in the state for : the high school dropout rate in the state in the state for the year 2000 was 10.8 one school district who adopted the

Reviews

Write a Review

Required(*) Message

Basic Statistics Questions & Answers

Statistics-probability assignment

MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

What is the least number

MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

Determine the value of k

MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

Binomial distributions

MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

Estimate the population mean

Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

Find out the probability

Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

User Account

All Pages