Probability of accepting the null hypothesis

Assignment Help Basic Statistics
Reference no: EM1320553

A Wendy's franchise has been averaging about $5000 worth of business on a typical Saturday with a standard deviation of σ = $500.  The manager is concerned that sales are slipping, after taking into account the average value of sales for four consecutive Saturdays being $4800. 

If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis in (a) above (the probability of not sharing the manager's concern because of lack of evidence)?

Reference no: EM1320553

Write a matlab program to calculate the probability

Write a MATLAB program to calculate the probability if is a Gaussian random variable for an arbitrary a  and b > 0 Note you will have to specify the mean and variance of the

Confidence interval for mean saline of tears

Compute a 95% confidence interval for the mean saline of the tears. You select a random sample of 100 tear drops. The sample has an average salt concentration of 0.1 with a

Regression method to derive a forecasting equation

Graph these data to see whether a linear equation might describe the relationship between the group's television shows and guitar sales and use the least-squares regression

Launch anniversary of the let''s move program

In a speech delivered to parents on the launch anniversary of the Let's Move program, Michelle Obama made this claim: "The truth is that today, we have more choices than ever

What is the equation of the regression line

A researcher wants to know if there is a relationship between the number of shopping centers in a state and the retail sales (in billions $) of that state. What is the equat

Health care research-statistics

Instructions:  For each abstract, indicate whether the study is observational or experimental, and then indicate the population being studied and the dependent and independe

Approximation of binomial distribution

If x is a binomial random variable where n=100 and p=.1, find the probability that x is less than or equal to 11 using the normal approximation to the binomial.

Comparing three treatment conditions

The following data were obtained from an independent measures research study comparing three treatment conditions. Use an ANOVA with alpha=.05 to determine whether there are

Reviews

Write a Review

 
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