Confidence interval construction

Reference no: EM13104461

Question:

June Walker is the Director of the Annual Fund for Marine Life University. She asks her analyst to study the giving patterns of the alumni of the School of Marine Sciences. Her analyst collects a random sample of 44 records and calculates an average annual participation in the Fund of 10.455 years. The standard deviation for annual participation is calculated to be 7.7 years. Based on this information, construct a 90% confidence interval for the average number of years of participation for the Annual Fund.

Reference no: EM13104461

Questions Cloud

Calculate the magnitude of the resultant electric field : A charge 1.1 × 10?5 C is fixed on the x-axis at 7 m, and a charge 8 × 10?6 C is fixed on the y-axis at 5 m. Calculate the magnitude of the resultant electric field ~E at the origin. Answer in units of N/C

Randomly selected day from the distribution : Find the probability that exactly six tickets are written on a randomly selected day from this distribution.

How many seconds will he win or lose by : Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..

Confidence intervals of population mean : According to a report produced by the New South Wales Ministry of Health, 46% of hospitalisations occur in people aged sixty years and over (60+).

Confidence interval construction : June Walker is the Director of the Annual Fund for Marine Life University. She asks her analyst to study the giving patterns of the alumni of the School of Marine Sciences.

Confidence interval for the mean of the population : Give a 95% confidence interval for the mean of the population from which the sample is drawn.

How much time passes before the ice starts to melt : An open container holds ice of mass 0.530 kg at a temperature of -15.7 Celsius . The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 810J/minute .

Create state diagram to identify one form of comment : Create the state diagram to identify one form of the comments of Cbased programming languages, those that begin with /* and end with */.

Describe the steps to assemble project team : Describe the steps you would take to assemble a project team. ow do you define risk management and project risk? What is the relationship between risk and opportunity?

User Account

All Pages