Probability that the sample mean, Basic Statistics

Probability that the sample mean

The average teacher's salary in Noth Dakota in $37,764. Assume a normal distribution with a population standard devation = $5100.

a.) What is the probability that a randomly selected teacher's salary is greater than $45,000?

B.) For a sample of 75 teachers, what is the probability that the sample mean is greater than $38,000?

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Probability that the sample mean

Reference No:- TGS0712310

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Basic Statistics

Q : Determine the normal stress developed in the tube and rod

Determine the normal stress developed in the tube and rod if the temperature rises to 80oC. Neglect the thickness of the rigid cap.

Q : Total income tax expense for the year

Alamo Inc. had $600 million in taxable income for the current year. Alamo also had an increase in deferred tax assets of $20 million and a decrease in deferred tax liabilities of $70 million.

Q : Brownian motion process

Let X(t) be a Brownian motion process with drift = 10 and volatility = 2.

Q : Why profit estimates into preliminary master budget

Hector Corporation is a manufacturing company with annual sales of $25 million. Its budget committee has created the following policy that the company uses each year in developing it master budget for the following calendar year:

Q : Probability that the sample mean

What is the probability that a randomly selected teacher's salary is greater than $45,000? For a sample of 75 teachers, what is the probability that the sample mean is greater than $38,000?

Q : Ball is thrown from a rooftop with initial downward velocity

A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 4.4 m/s. The rooftop is a distance above the ground, h = 35 m. (a)If we wanted the ball's final speed to be exactly 27.3 m/s, from what height, hnew (in meters), w

Q : Assuming the computer has an eleven-year life

Jack Sawyer is presently leasing a copier from John Office Equipment Company. The lease requires 11 annual payments of $4,500 at the end of each year and provides the leaser (John) with an 8% return on its investment.

Q : Compare characteristics of two propellers using ideal theory

Compare the following characteristics of the two propellers using ideal (Froude) theory: a) inflow factor a, b) airspeed through the propeller disk, c) mass flow through the propeller disk, d) slipstream speed, e) propulsive efficiency.

Q : Evaluate the thermal conductivity of copper and constant

Evaluate the thermal conductivity of copper and constant at T300 K. Use kCh=19 W/mK and kA=l29 W/mK for the thermal conductivities of the chromel and alumel wires, respectively.

1935091

Questions
Asked

3,689

Active Tutors

1447769

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Probability that the sample mean

Reference No:- TGS0712310

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Determine the normal stress developed in the tube and rod

Q : Total income tax expense for the year

Q : Brownian motion process

Q : Why profit estimates into preliminary master budget

Q : Probability that the sample mean

Q : Ball is thrown from a rooftop with initial downward velocity

Q : Assuming the computer has an eleven-year life

Q : Compare characteristics of two propellers using ideal theory

Q : Evaluate the thermal conductivity of copper and constant

Monitoring the client for signs of withdrawal

Reviewing health record of a client with laryngeal cancer

Create a life map of meaningful events of your adolescence

Analyze the characters life journey in reverse

Does someone like mother teresa count as moral exemplar

In what ways human resources leveraged ai to recruit

Why advanced practice nurses must be equipped

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Probability that the sample mean

Reference No:- TGS0712310

Recent Questions Asked Basic Statistics

Q : Determine the normal stress developed in the tube and rod

Q : Total income tax expense for the year

Q : Brownian motion process

Q : Why profit estimates into preliminary master budget

Q : Probability that the sample mean

Q : Ball is thrown from a rooftop with initial downward velocity

Q : Assuming the computer has an eleven-year life

Q : Compare characteristics of two propellers using ideal theory

Q : Evaluate the thermal conductivity of copper and constant

Asked Questions