## Statistics Resources

I have a population of 100 people, every week this population grows by an additional 100 people. If on average a person purchases a coke every 3 months how many would buy a coke in any given weeks...

A clinic claims that the average time taken by a patient to see the doctor from the appointment time is 30 minutes. A simple random sample of 35 patients is contacted the mean of the wait time for...

In an advertisement, a pizza shop claims its mean delivery time is 30 minutes. A random sample of 8 delivery times has a mean of 31.5 minutes and standard deviation 3.5 minutes. Find a 95% confidence...

In a July 2012 Gallup poll based on a representative sample of 1014 adult Americans, 48% reported drinking at least one glass of soda pop on a typical day. Now suppose that we test the null hypothesis...

Data set 31 "Garbage Weight" in appendix B list weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x= 1.911 lb and the standard...

For my stats class, we have to do probability. We had to create a survey. So I surveyed 32 people asking "Do you like chocolate?" I got 23 yes, and 9 no's. A success is people saying yes...

Company XYZ has 80 employees. Fifty of the employees are vegetarian, thirty of the employees own a Nissan Leaf and 10 of the employees are vegetarian that own a Nissan Leaf. If you randomly select...

the probability of a product failure is 0.5%, product success is 99.5% (this is not time dependent). how can I calculate the probability of this product failure over the course of the product life...

You want to do a psychological experiment. On any given day, there is a 30% chance that your participant won’t show up. In addition, there is a 10% chance that the stimulus presentation software won’t...

The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2003. Approximate the mean and standard deviation for age.   Age...

The next lecture, you adjust your estimate of getting an "A" based on the content of the 2nd lecture. This process implies which interpretation of probability?   A. Frequentist/Objective...