A local hardware store claims that the mean waiting time in line is less than 3.5 minutes. A random sample of 20 customers has a mean of 3.2 minutes with a standard deviation of 0.8 minute. If α = 0.10, test the store’s claim. H0: = 3.5 Ha: Test statistic: p-Value = Decision: Conclusion: There sufficient evidence to support the conclusion that the mean waiting time at this hardware store is than 3.5 minutes.
A recent study claimed that 15% of junior high students are…
A recent study claimed that 15% of junior high students are overweight. In a sample of 160 students, 18 were found to be overweight. At α = 0.05, decide if this sample gives evidence that the proportion of overweight junior high students is actually different from 15%. H0: p 0.15 Ha: p Test statistic: p-Value = Decision: Conclusion: There sufficient evidence to support the conclusion that the percentage of junior high students is than 15%.
On a typical seismogram, _________ will show the highest amp…
On a typical seismogram, _________ will show the highest amplitudes.
The point of origin of an earthquake inside the Earth is ref…
The point of origin of an earthquake inside the Earth is referred to as the _________.
Wegener’s theory of continental drift was largely dismissed…
Wegener’s theory of continental drift was largely dismissed because _________.
Which of the following provides the best example of a presen…
Which of the following provides the best example of a present day active continental margin?
On a typical seismogram, _________ will show the highest amp…
On a typical seismogram, _________ will show the highest amplitudes.
Early results of the Deep Sea Drilling Project clearly justi…
Early results of the Deep Sea Drilling Project clearly justified the conclusion that ________.
1b. Which department would help an employee with a grievan…
1b. Which department would help an employee with a grievance at work? (1)
The structure of The Capital is the same as the other 24 hot…
The structure of The Capital is the same as the other 24 hotels in the franchise . Managing Director –Jack Bouwer Managers of Human resources,Finance,Marketing and Housekeeping Employees Deputy managers for human resources ,finance and housekeeping Board of directors 1d. Using the above information ,prepare an organisational chart for the Capital (5)