Give the point estimate of population mean

Assignment Help Basic Statistics

Reference no: EM13117623

A random sample of 121 checking accounts at bank showed an average daily balance of $280 the standard deviation of the population is known to be $6.

Find the standard error of the mean
give the point estimate of the population mean
construct a 80% confidence interval estimates for the mean
construct a 95% confidence interval for the mean

Reference no: EM13117623

Questions Cloud

How many milligrams of cobalt-60 remain : The half-life of cobalt-60 is 5.27 years. How many milligrams of cobalt-60 remain after 52.7 years if you start with 10.0 mg.

Find out the speeders speed with respect to the ground : The wave reflects from the speeder's car and returns to the police car, where its frequency is measured to be 280 Hz less than the emitted frequency. Find out the speeder's speed with respect to the ground.

Cauchy-schwarz inequality : Demostrate the complete proof of the Cauchy-Schwarz inequality and the triangle inequality.

How many grams of solute are required : How many grams of solute are required to make a 147 mL solution of sodium hydroxide with a concentration of 0.5330 M.

Give the point estimate of population mean : A random sample of 121 checking accounts at bank showed an average daily balance of $280 the standard deviation of the population is known to be $6. Find the standard error of the mean.

Illustrate what is the magnitude and direction of the torque : A force of F=9.0i+8.0jN is applied to an object about a fixed axis aligned with the z direction. If the force applied at the point (6.00 m, 9.00 m), illustrate what is the magnitude and direction of the torque?

Information regarding algebraic calculations : Provide a numerical answer to each of the following questions and also show the calculations you used to find the answers. How many different ways can 30 runners place in an Olympic qualifying marathon?

How many moles of ba(oh)2 are present : how many moles of Ba(OH)2 are present in 165ml of 0.600M Ba(OH)2.

Illustrate what is the magnitude of net force acting on ball : When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..

User Account

All Pages